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Finding the Fourth Proportional to 376,656.62, 564,981.80 and 152,013.60

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Solution

The fourth proportional to 376,656.62, 564,981.80 and 152,013.60 is: 228,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,656.62 : 564,981.80 = 152,013.60 : x
  2. Step 2: Convert to fraction form
    376,656.62/564,981.80 = 152,013.60/x
  3. Step 3: Cross multiply
    376,656.62x = 564,981.80 × 152,013.60
  4. Step 4: Simplify right side
    376,656.62x = 85,884,916,592.41
  5. Step 5: Solve for x
    x = 85,884,916,592.41/376,656.62
  6. Step 6: Final answer
    x = 228,019.14

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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.