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Finding the Fourth Proportional to 525,805.44, 724,761.42 and 410,884.36

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Solution

The fourth proportional to 525,805.44, 724,761.42 and 410,884.36 is: 566,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,805.44 : 724,761.42 = 410,884.36 : x
  2. Step 2: Convert to fraction form
    525,805.44/724,761.42 = 410,884.36/x
  3. Step 3: Cross multiply
    525,805.44x = 724,761.42 × 410,884.36
  4. Step 4: Simplify right side
    525,805.44x = 297,793,132,209.39
  5. Step 5: Solve for x
    x = 297,793,132,209.39/525,805.44
  6. Step 6: Final answer
    x = 566,356.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.