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Finding the Fourth Proportional to 467,886.30, 701,829.45 and 257,934.30

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Solution

The fourth proportional to 467,886.30, 701,829.45 and 257,934.30 is: 386,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,886.30 : 701,829.45 = 257,934.30 : x
  2. Step 2: Convert to fraction form
    467,886.30/701,829.45 = 257,934.30/x
  3. Step 3: Cross multiply
    467,886.30x = 701,829.45 × 257,934.30
  4. Step 4: Simplify right side
    467,886.30x = 181,025,887,905.14
  5. Step 5: Solve for x
    x = 181,025,887,905.14/467,886.30
  6. Step 6: Final answer
    x = 386,901.45

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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.