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Finding the Fourth Proportional to 316,473.47, 436,737.52 and 173,230.44

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Solution

The fourth proportional to 316,473.47, 436,737.52 and 173,230.44 is: 239,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,473.47 : 436,737.52 = 173,230.44 : x
  2. Step 2: Convert to fraction form
    316,473.47/436,737.52 = 173,230.44/x
  3. Step 3: Cross multiply
    316,473.47x = 436,737.52 × 173,230.44
  4. Step 4: Simplify right side
    316,473.47x = 75,656,232,754.11
  5. Step 5: Solve for x
    x = 75,656,232,754.11/316,473.47
  6. Step 6: Final answer
    x = 239,060.27

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1.5x scale

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.