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Finding the Fourth Proportional to 539,607.20, 744,659.02 and 297,890.10

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Solution

The fourth proportional to 539,607.20, 744,659.02 and 297,890.10 is: 411,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,607.20 : 744,659.02 = 297,890.10 : x
  2. Step 2: Convert to fraction form
    539,607.20/744,659.02 = 297,890.10/x
  3. Step 3: Cross multiply
    539,607.20x = 744,659.02 × 297,890.10
  4. Step 4: Simplify right side
    539,607.20x = 221,826,549,933.70
  5. Step 5: Solve for x
    x = 221,826,549,933.70/539,607.20
  6. Step 6: Final answer
    x = 411,088.94

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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.