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Finding the Fourth Proportional to 539,538.92, 744,618.33 and 463,310.37

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Solution

The fourth proportional to 539,538.92, 744,618.33 and 463,310.37 is: 639,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,538.92 : 744,618.33 = 463,310.37 : x
  2. Step 2: Convert to fraction form
    539,538.92/744,618.33 = 463,310.37/x
  3. Step 3: Cross multiply
    539,538.92x = 744,618.33 × 463,310.37
  4. Step 4: Simplify right side
    539,538.92x = 344,989,393,981.08
  5. Step 5: Solve for x
    x = 344,989,393,981.08/539,538.92
  6. Step 6: Final answer
    x = 639,415.21

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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.