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Finding the Fourth Proportional to 375,642.32, 563,529.08 and 165,274.79

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Solution

The fourth proportional to 375,642.32, 563,529.08 and 165,274.79 is: 247,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,642.32 : 563,529.08 = 165,274.79 : x
  2. Step 2: Convert to fraction form
    375,642.32/563,529.08 = 165,274.79/x
  3. Step 3: Cross multiply
    375,642.32x = 563,529.08 × 165,274.79
  4. Step 4: Simplify right side
    375,642.32x = 93,137,147,951.43
  5. Step 5: Solve for x
    x = 93,137,147,951.43/375,642.32
  6. Step 6: Final answer
    x = 247,941.04

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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.