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Finding the Fourth Proportional to 539,587.04, 744,626.12 and 297,869.54

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Solution

The fourth proportional to 539,587.04, 744,626.12 and 297,869.54 is: 411,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,587.04 : 744,626.12 = 297,869.54 : x
  2. Step 2: Convert to fraction form
    539,587.04/744,626.12 = 297,869.54/x
  3. Step 3: Cross multiply
    539,587.04x = 744,626.12 × 297,869.54
  4. Step 4: Simplify right side
    539,587.04x = 221,801,434,623.91
  5. Step 5: Solve for x
    x = 221,801,434,623.91/539,587.04
  6. Step 6: Final answer
    x = 411,057.75

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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.