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Finding the Fourth Proportional to 581,362.29, 872,043.84 and 160,638.57

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Solution

The fourth proportional to 581,362.29, 872,043.84 and 160,638.57 is: 240,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,362.29 : 872,043.84 = 160,638.57 : x
  2. Step 2: Convert to fraction form
    581,362.29/872,043.84 = 160,638.57/x
  3. Step 3: Cross multiply
    581,362.29x = 872,043.84 × 160,638.57
  4. Step 4: Simplify right side
    581,362.29x = 140,083,875,434.91
  5. Step 5: Solve for x
    x = 140,083,875,434.91/581,362.29
  6. Step 6: Final answer
    x = 240,957.97

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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.