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Finding the Fourth Proportional to 467,287.76, 644,856.27 and 252,427.16

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Solution

The fourth proportional to 467,287.76, 644,856.27 and 252,427.16 is: 348,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,287.76 : 644,856.27 = 252,427.16 : x
  2. Step 2: Convert to fraction form
    467,287.76/644,856.27 = 252,427.16/x
  3. Step 3: Cross multiply
    467,287.76x = 644,856.27 × 252,427.16
  4. Step 4: Simplify right side
    467,287.76x = 162,779,233,620.01
  5. Step 5: Solve for x
    x = 162,779,233,620.01/467,287.76
  6. Step 6: Final answer
    x = 348,349.02

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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.