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Finding the Fourth Proportional to 539,251.83, 744,170.19 and 297,534.57

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Solution

The fourth proportional to 539,251.83, 744,170.19 and 297,534.57 is: 410,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,251.83 : 744,170.19 = 297,534.57 : x
  2. Step 2: Convert to fraction form
    539,251.83/744,170.19 = 297,534.57/x
  3. Step 3: Cross multiply
    539,251.83x = 744,170.19 × 297,534.57
  4. Step 4: Simplify right side
    539,251.83x = 221,416,353,582.08
  5. Step 5: Solve for x
    x = 221,416,353,582.08/539,251.83
  6. Step 6: Final answer
    x = 410,599.17

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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.