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Finding the Fourth Proportional to 376,266.90, 564,400.35 and 151,734.90

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Solution

The fourth proportional to 376,266.90, 564,400.35 and 151,734.90 is: 227,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,266.90 : 564,400.35 = 151,734.90 : x
  2. Step 2: Convert to fraction form
    376,266.90/564,400.35 = 151,734.90/x
  3. Step 3: Cross multiply
    376,266.90x = 564,400.35 × 151,734.90
  4. Step 4: Simplify right side
    376,266.90x = 85,639,230,667.22
  5. Step 5: Solve for x
    x = 85,639,230,667.22/376,266.90
  6. Step 6: Final answer
    x = 227,602.35

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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.