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Finding the Fourth Proportional to 652,175.55, 978,330.43 and 225,710.63

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Solution

The fourth proportional to 652,175.55, 978,330.43 and 225,710.63 is: 338,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,175.55 : 978,330.43 = 225,710.63 : x
  2. Step 2: Convert to fraction form
    652,175.55/978,330.43 = 225,710.63/x
  3. Step 3: Cross multiply
    652,175.55x = 978,330.43 × 225,710.63
  4. Step 4: Simplify right side
    652,175.55x = 220,819,577,397.51
  5. Step 5: Solve for x
    x = 220,819,577,397.51/652,175.55
  6. Step 6: Final answer
    x = 338,589.17

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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.