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Finding the Fourth Proportional to 368,113.70, 552,175.65 and 242,557.70

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Solution

The fourth proportional to 368,113.70, 552,175.65 and 242,557.70 is: 363,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,113.70 : 552,175.65 = 242,557.70 : x
  2. Step 2: Convert to fraction form
    368,113.70/552,175.65 = 242,557.70/x
  3. Step 3: Cross multiply
    368,113.70x = 552,175.65 × 242,557.70
  4. Step 4: Simplify right side
    368,113.70x = 133,934,455,660.01
  5. Step 5: Solve for x
    x = 133,934,455,660.01/368,113.70
  6. Step 6: Final answer
    x = 363,839.91

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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.