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Finding the Fourth Proportional to 539,528.28, 744,549.06 and 297,810.91

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Solution

The fourth proportional to 539,528.28, 744,549.06 and 297,810.91 is: 410,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,528.28 : 744,549.06 = 297,810.91 : x
  2. Step 2: Convert to fraction form
    539,528.28/744,549.06 = 297,810.91/x
  3. Step 3: Cross multiply
    539,528.28x = 744,549.06 × 297,810.91
  4. Step 4: Simplify right side
    539,528.28x = 221,734,833,098.25
  5. Step 5: Solve for x
    x = 221,734,833,098.25/539,528.28
  6. Step 6: Final answer
    x = 410,979.07

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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.