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Finding the Fourth Proportional to 376,251.70, 564,463.76 and 163,055.40

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Solution

The fourth proportional to 376,251.70, 564,463.76 and 163,055.40 is: 244,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,251.70 : 564,463.76 = 163,055.40 : x
  2. Step 2: Convert to fraction form
    376,251.70/564,463.76 = 163,055.40/x
  3. Step 3: Cross multiply
    376,251.70x = 564,463.76 × 163,055.40
  4. Step 4: Simplify right side
    376,251.70x = 92,038,862,827.84
  5. Step 5: Solve for x
    x = 92,038,862,827.84/376,251.70
  6. Step 6: Final answer
    x = 244,620.46

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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.