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Finding the Fourth Proportional to 662,096.70, 991,815.84 and 560,459.52

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Solution

The fourth proportional to 662,096.70, 991,815.84 and 560,459.52 is: 839,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,096.70 : 991,815.84 = 560,459.52 : x
  2. Step 2: Convert to fraction form
    662,096.70/991,815.84 = 560,459.52/x
  3. Step 3: Cross multiply
    662,096.70x = 991,815.84 × 560,459.52
  4. Step 4: Simplify right side
    662,096.70x = 555,872,629,614.80
  5. Step 5: Solve for x
    x = 555,872,629,614.80/662,096.70
  6. Step 6: Final answer
    x = 839,564.11

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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.