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Finding the Fourth Proportional to 479,488.64, 719,233.32 and 163,947.92

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Solution

The fourth proportional to 479,488.64, 719,233.32 and 163,947.92 is: 245,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,488.64 : 719,233.32 = 163,947.92 : x
  2. Step 2: Convert to fraction form
    479,488.64/719,233.32 = 163,947.92/x
  3. Step 3: Cross multiply
    479,488.64x = 719,233.32 × 163,947.92
  4. Step 4: Simplify right side
    479,488.64x = 117,916,806,808.69
  5. Step 5: Solve for x
    x = 117,916,806,808.69/479,488.64
  6. Step 6: Final answer
    x = 245,922.00

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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.