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Finding the Fourth Proportional to 462,574.80, 693,862.20 and 162,955.80

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Solution

The fourth proportional to 462,574.80, 693,862.20 and 162,955.80 is: 244,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,574.80 : 693,862.20 = 162,955.80 : x
  2. Step 2: Convert to fraction form
    462,574.80/693,862.20 = 162,955.80/x
  3. Step 3: Cross multiply
    462,574.80x = 693,862.20 × 162,955.80
  4. Step 4: Simplify right side
    462,574.80x = 113,068,869,890.76
  5. Step 5: Solve for x
    x = 113,068,869,890.76/462,574.80
  6. Step 6: Final answer
    x = 244,433.70

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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.