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Finding the Fourth Proportional to 652,043.70, 978,065.55 and 337,115.70

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Solution

The fourth proportional to 652,043.70, 978,065.55 and 337,115.70 is: 505,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,043.70 : 978,065.55 = 337,115.70 : x
  2. Step 2: Convert to fraction form
    652,043.70/978,065.55 = 337,115.70/x
  3. Step 3: Cross multiply
    652,043.70x = 978,065.55 × 337,115.70
  4. Step 4: Simplify right side
    652,043.70x = 329,721,252,534.14
  5. Step 5: Solve for x
    x = 329,721,252,534.14/652,043.70
  6. Step 6: Final answer
    x = 505,673.55

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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.