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Finding the Fourth Proportional to 462,194.70, 696,446.86 and 379,800.58

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Solution

The fourth proportional to 462,194.70, 696,446.86 and 379,800.58 is: 572,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,194.70 : 696,446.86 = 379,800.58 : x
  2. Step 2: Convert to fraction form
    462,194.70/696,446.86 = 379,800.58/x
  3. Step 3: Cross multiply
    462,194.70x = 696,446.86 × 379,800.58
  4. Step 4: Simplify right side
    462,194.70x = 264,510,921,367.18
  5. Step 5: Solve for x
    x = 264,510,921,367.18/462,194.70
  6. Step 6: Final answer
    x = 572,293.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.