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Finding the Fourth Proportional to 375,990.32, 563,854.08 and 151,292.45

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Solution

The fourth proportional to 375,990.32, 563,854.08 and 151,292.45 is: 226,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,990.32 : 563,854.08 = 151,292.45 : x
  2. Step 2: Convert to fraction form
    375,990.32/563,854.08 = 151,292.45/x
  3. Step 3: Cross multiply
    375,990.32x = 563,854.08 × 151,292.45
  4. Step 4: Simplify right side
    375,990.32x = 85,306,865,205.70
  5. Step 5: Solve for x
    x = 85,306,865,205.70/375,990.32
  6. Step 6: Final answer
    x = 226,885.80

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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.