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Finding the Fourth Proportional to 652,562.70, 978,066.45 and 273,482.70

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Solution

The fourth proportional to 652,562.70, 978,066.45 and 273,482.70 is: 409,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,562.70 : 978,066.45 = 273,482.70 : x
  2. Step 2: Convert to fraction form
    652,562.70/978,066.45 = 273,482.70/x
  3. Step 3: Cross multiply
    652,562.70x = 978,066.45 × 273,482.70
  4. Step 4: Simplify right side
    652,562.70x = 267,484,253,525.42
  5. Step 5: Solve for x
    x = 267,484,253,525.42/652,562.70
  6. Step 6: Final answer
    x = 409,898.17

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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.