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Finding the Fourth Proportional to 383,753.64, 575,631.86 and 117,513.08

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Solution

The fourth proportional to 383,753.64, 575,631.86 and 117,513.08 is: 176,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,753.64 : 575,631.86 = 117,513.08 : x
  2. Step 2: Convert to fraction form
    383,753.64/575,631.86 = 117,513.08/x
  3. Step 3: Cross multiply
    383,753.64x = 575,631.86 × 117,513.08
  4. Step 4: Simplify right side
    383,753.64x = 67,644,272,814.73
  5. Step 5: Solve for x
    x = 67,644,272,814.73/383,753.64
  6. Step 6: Final answer
    x = 176,270.05

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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.