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Finding the Fourth Proportional to 371,343.74, 556,926.32 and 171,472.10

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Solution

The fourth proportional to 371,343.74, 556,926.32 and 171,472.10 is: 257,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,343.74 : 556,926.32 = 171,472.10 : x
  2. Step 2: Convert to fraction form
    371,343.74/556,926.32 = 171,472.10/x
  3. Step 3: Cross multiply
    371,343.74x = 556,926.32 × 171,472.10
  4. Step 4: Simplify right side
    371,343.74x = 95,497,323,279.72
  5. Step 5: Solve for x
    x = 95,497,323,279.72/371,343.74
  6. Step 6: Final answer
    x = 257,166.92

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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.