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Finding the Fourth Proportional to 383,490.48, 575,235.72 and 117,251.00

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Solution

The fourth proportional to 383,490.48, 575,235.72 and 117,251.00 is: 175,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,490.48 : 575,235.72 = 117,251.00 : x
  2. Step 2: Convert to fraction form
    383,490.48/575,235.72 = 117,251.00/x
  3. Step 3: Cross multiply
    383,490.48x = 575,235.72 × 117,251.00
  4. Step 4: Simplify right side
    383,490.48x = 67,446,960,529.54
  5. Step 5: Solve for x
    x = 67,446,960,529.54/383,490.48
  6. Step 6: Final answer
    x = 175,876.49

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Similar ratio
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1.5x scale

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.