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Finding the Fourth Proportional to 652,100.60, 978,150.90 and 527,684.60

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Solution

The fourth proportional to 652,100.60, 978,150.90 and 527,684.60 is: 791,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,100.60 : 978,150.90 = 527,684.60 : x
  2. Step 2: Convert to fraction form
    652,100.60/978,150.90 = 527,684.60/x
  3. Step 3: Cross multiply
    652,100.60x = 978,150.90 × 527,684.60
  4. Step 4: Simplify right side
    652,100.60x = 516,155,166,406.14
  5. Step 5: Solve for x
    x = 516,155,166,406.14/652,100.60
  6. Step 6: Final answer
    x = 791,526.90

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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.