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Finding the Fourth Proportional to 604,955.31, 907,363.85 and 161,757.87

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Solution

The fourth proportional to 604,955.31, 907,363.85 and 161,757.87 is: 242,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,955.31 : 907,363.85 = 161,757.87 : x
  2. Step 2: Convert to fraction form
    604,955.31/907,363.85 = 161,757.87/x
  3. Step 3: Cross multiply
    604,955.31x = 907,363.85 × 161,757.87
  4. Step 4: Simplify right side
    604,955.31x = 146,773,242,882.21
  5. Step 5: Solve for x
    x = 146,773,242,882.21/604,955.31
  6. Step 6: Final answer
    x = 242,618.32

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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.