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Finding the Fourth Proportional to 606,998.20, 910,497.30 and 583,670.20

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Solution

The fourth proportional to 606,998.20, 910,497.30 and 583,670.20 is: 875,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,998.20 : 910,497.30 = 583,670.20 : x
  2. Step 2: Convert to fraction form
    606,998.20/910,497.30 = 583,670.20/x
  3. Step 3: Cross multiply
    606,998.20x = 910,497.30 × 583,670.20
  4. Step 4: Simplify right side
    606,998.20x = 531,430,141,190.46
  5. Step 5: Solve for x
    x = 531,430,141,190.46/606,998.20
  6. Step 6: Final answer
    x = 875,505.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.