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Finding the Fourth Proportional to 606,665.55, 909,998.33 and 561,046.35

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Solution

The fourth proportional to 606,665.55, 909,998.33 and 561,046.35 is: 841,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,665.55 : 909,998.33 = 561,046.35 : x
  2. Step 2: Convert to fraction form
    606,665.55/909,998.33 = 561,046.35/x
  3. Step 3: Cross multiply
    606,665.55x = 909,998.33 × 561,046.35
  4. Step 4: Simplify right side
    606,665.55x = 510,551,238,747.36
  5. Step 5: Solve for x
    x = 510,551,238,747.36/606,665.55
  6. Step 6: Final answer
    x = 841,569.53

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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.