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Finding the Fourth Proportional to 573,396.12, 791,306.98 and 315,292.73

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Solution

The fourth proportional to 573,396.12, 791,306.98 and 315,292.73 is: 435,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,396.12 : 791,306.98 = 315,292.73 : x
  2. Step 2: Convert to fraction form
    573,396.12/791,306.98 = 315,292.73/x
  3. Step 3: Cross multiply
    573,396.12x = 791,306.98 × 315,292.73
  4. Step 4: Simplify right side
    573,396.12x = 249,493,334,697.13
  5. Step 5: Solve for x
    x = 249,493,334,697.13/573,396.12
  6. Step 6: Final answer
    x = 435,115.14

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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.