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Finding the Fourth Proportional to 341,261.70, 511,892.55 and 315,600.90

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Solution

The fourth proportional to 341,261.70, 511,892.55 and 315,600.90 is: 473,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,261.70 : 511,892.55 = 315,600.90 : x
  2. Step 2: Convert to fraction form
    341,261.70/511,892.55 = 315,600.90/x
  3. Step 3: Cross multiply
    341,261.70x = 511,892.55 × 315,600.90
  4. Step 4: Simplify right side
    341,261.70x = 161,553,749,483.30
  5. Step 5: Solve for x
    x = 161,553,749,483.30/341,261.70
  6. Step 6: Final answer
    x = 473,401.35

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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.