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Finding the Fourth Proportional to 560,388.62, 839,499.15 and 469,350.47

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Solution

The fourth proportional to 560,388.62, 839,499.15 and 469,350.47 is: 703,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,388.62 : 839,499.15 = 469,350.47 : x
  2. Step 2: Convert to fraction form
    560,388.62/839,499.15 = 469,350.47/x
  3. Step 3: Cross multiply
    560,388.62x = 839,499.15 × 469,350.47
  4. Step 4: Simplify right side
    560,388.62x = 394,019,316,419.61
  5. Step 5: Solve for x
    x = 394,019,316,419.61/560,388.62
  6. Step 6: Final answer
    x = 703,117.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.