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Finding the Fourth Proportional to 659,265.80, 988,898.70 and 659,265.80

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Solution

The fourth proportional to 659,265.80, 988,898.70 and 659,265.80 is: 988,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,265.80 : 988,898.70 = 659,265.80 : x
  2. Step 2: Convert to fraction form
    659,265.80/988,898.70 = 659,265.80/x
  3. Step 3: Cross multiply
    659,265.80x = 988,898.70 × 659,265.80
  4. Step 4: Simplify right side
    659,265.80x = 651,947,092,574.46
  5. Step 5: Solve for x
    x = 651,947,092,574.46/659,265.80
  6. Step 6: Final answer
    x = 988,898.70

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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.