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Finding the Fourth Proportional to 479,827.60, 719,499.98 and 159,866.12

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Solution

The fourth proportional to 479,827.60, 719,499.98 and 159,866.12 is: 239,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,827.60 : 719,499.98 = 159,866.12 : x
  2. Step 2: Convert to fraction form
    479,827.60/719,499.98 = 159,866.12/x
  3. Step 3: Cross multiply
    479,827.60x = 719,499.98 × 159,866.12
  4. Step 4: Simplify right side
    479,827.60x = 115,023,672,341.09
  5. Step 5: Solve for x
    x = 115,023,672,341.09/479,827.60
  6. Step 6: Final answer
    x = 239,718.75

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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.