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Finding the Fourth Proportional to 313,575.66, 432,764.52 and 175,753.90

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Solution

The fourth proportional to 313,575.66, 432,764.52 and 175,753.90 is: 242,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,575.66 : 432,764.52 = 175,753.90 : x
  2. Step 2: Convert to fraction form
    313,575.66/432,764.52 = 175,753.90/x
  3. Step 3: Cross multiply
    313,575.66x = 432,764.52 × 175,753.90
  4. Step 4: Simplify right side
    313,575.66x = 76,060,051,089.72
  5. Step 5: Solve for x
    x = 76,060,051,089.72/313,575.66
  6. Step 6: Final answer
    x = 242,557.25

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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.