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Finding the Fourth Proportional to 612,167.29, 918,253.10 and 185,706.83

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Solution

The fourth proportional to 612,167.29, 918,253.10 and 185,706.83 is: 278,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,167.29 : 918,253.10 = 185,706.83 : x
  2. Step 2: Convert to fraction form
    612,167.29/918,253.10 = 185,706.83/x
  3. Step 3: Cross multiply
    612,167.29x = 918,253.10 × 185,706.83
  4. Step 4: Simplify right side
    612,167.29x = 170,525,875,098.57
  5. Step 5: Solve for x
    x = 170,525,875,098.57/612,167.29
  6. Step 6: Final answer
    x = 278,560.91

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1.5x scale

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.