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Finding the Fourth Proportional to 539,247.35, 744,160.78 and 297,529.90

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Solution

The fourth proportional to 539,247.35, 744,160.78 and 297,529.90 is: 410,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,247.35 : 744,160.78 = 297,529.90 : x
  2. Step 2: Convert to fraction form
    539,247.35/744,160.78 = 297,529.90/x
  3. Step 3: Cross multiply
    539,247.35x = 744,160.78 × 297,529.90
  4. Step 4: Simplify right side
    539,247.35x = 221,410,077,248.87
  5. Step 5: Solve for x
    x = 221,410,077,248.87/539,247.35
  6. Step 6: Final answer
    x = 410,590.95

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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.