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Finding the Fourth Proportional to 373,483.32, 559,278.78 and 231,605.64

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Solution

The fourth proportional to 373,483.32, 559,278.78 and 231,605.64 is: 346,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,483.32 : 559,278.78 = 231,605.64 : x
  2. Step 2: Convert to fraction form
    373,483.32/559,278.78 = 231,605.64/x
  3. Step 3: Cross multiply
    373,483.32x = 559,278.78 × 231,605.64
  4. Step 4: Simplify right side
    373,483.32x = 129,532,119,780.32
  5. Step 5: Solve for x
    x = 129,532,119,780.32/373,483.32
  6. Step 6: Final answer
    x = 346,821.70

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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.