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Finding the Fourth Proportional to 475,658.64, 713,397.24 and 238,935.60

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Solution

The fourth proportional to 475,658.64, 713,397.24 and 238,935.60 is: 358,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,658.64 : 713,397.24 = 238,935.60 : x
  2. Step 2: Convert to fraction form
    475,658.64/713,397.24 = 238,935.60/x
  3. Step 3: Cross multiply
    475,658.64x = 713,397.24 × 238,935.60
  4. Step 4: Simplify right side
    475,658.64x = 170,455,997,577.74
  5. Step 5: Solve for x
    x = 170,455,997,577.74/475,658.64
  6. Step 6: Final answer
    x = 358,357.83

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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.