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Finding the Fourth Proportional to 317,248.55, 437,901.01 and 204,071.30

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Solution

The fourth proportional to 317,248.55, 437,901.01 and 204,071.30 is: 281,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,248.55 : 437,901.01 = 204,071.30 : x
  2. Step 2: Convert to fraction form
    317,248.55/437,901.01 = 204,071.30/x
  3. Step 3: Cross multiply
    317,248.55x = 437,901.01 × 204,071.30
  4. Step 4: Simplify right side
    317,248.55x = 89,363,026,192.51
  5. Step 5: Solve for x
    x = 89,363,026,192.51/317,248.55
  6. Step 6: Final answer
    x = 281,681.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.