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Finding the Fourth Proportional to 539,491.32, 744,444.90 and 297,758.34

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Solution

The fourth proportional to 539,491.32, 744,444.90 and 297,758.34 is: 410,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,491.32 : 744,444.90 = 297,758.34 : x
  2. Step 2: Convert to fraction form
    539,491.32/744,444.90 = 297,758.34/x
  3. Step 3: Cross multiply
    539,491.32x = 744,444.90 × 297,758.34
  4. Step 4: Simplify right side
    539,491.32x = 221,664,677,645.47
  5. Step 5: Solve for x
    x = 221,664,677,645.47/539,491.32
  6. Step 6: Final answer
    x = 410,877.19

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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.