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Finding the Fourth Proportional to 347,873.61, 479,853.36 and 230,000.13

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Solution

The fourth proportional to 347,873.61, 479,853.36 and 230,000.13 is: 317,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,873.61 : 479,853.36 = 230,000.13 : x
  2. Step 2: Convert to fraction form
    347,873.61/479,853.36 = 230,000.13/x
  3. Step 3: Cross multiply
    347,873.61x = 479,853.36 × 230,000.13
  4. Step 4: Simplify right side
    347,873.61x = 110,366,335,180.94
  5. Step 5: Solve for x
    x = 110,366,335,180.94/347,873.61
  6. Step 6: Final answer
    x = 317,259.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.