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Finding the Fourth Proportional to 375,685.47, 563,593.86 and 165,317.94

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Solution

The fourth proportional to 375,685.47, 563,593.86 and 165,317.94 is: 248,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,685.47 : 563,593.86 = 165,317.94 : x
  2. Step 2: Convert to fraction form
    375,685.47/563,593.86 = 165,317.94/x
  3. Step 3: Cross multiply
    375,685.47x = 563,593.86 × 165,317.94
  4. Step 4: Simplify right side
    375,685.47x = 93,172,175,931.85
  5. Step 5: Solve for x
    x = 93,172,175,931.85/375,685.47
  6. Step 6: Final answer
    x = 248,005.80

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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.