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Finding the Fourth Proportional to 520,833.04, 781,322.18 and 161,033.27

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Solution

The fourth proportional to 520,833.04, 781,322.18 and 161,033.27 is: 241,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,833.04 : 781,322.18 = 161,033.27 : x
  2. Step 2: Convert to fraction form
    520,833.04/781,322.18 = 161,033.27/x
  3. Step 3: Cross multiply
    520,833.04x = 781,322.18 × 161,033.27
  4. Step 4: Simplify right side
    520,833.04x = 125,818,865,568.93
  5. Step 5: Solve for x
    x = 125,818,865,568.93/520,833.04
  6. Step 6: Final answer
    x = 241,572.36

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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.