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Finding the Fourth Proportional to 607,029.90, 910,544.85 and 186,251.10

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Solution

The fourth proportional to 607,029.90, 910,544.85 and 186,251.10 is: 279,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,029.90 : 910,544.85 = 186,251.10 : x
  2. Step 2: Convert to fraction form
    607,029.90/910,544.85 = 186,251.10/x
  3. Step 3: Cross multiply
    607,029.90x = 910,544.85 × 186,251.10
  4. Step 4: Simplify right side
    607,029.90x = 169,589,979,911.84
  5. Step 5: Solve for x
    x = 169,589,979,911.84/607,029.90
  6. Step 6: Final answer
    x = 279,376.65

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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.