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Finding the Fourth Proportional to 493,193.95, 681,077.81 and 466,326.34

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Solution

The fourth proportional to 493,193.95, 681,077.81 and 466,326.34 is: 643,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,193.95 : 681,077.81 = 466,326.34 : x
  2. Step 2: Convert to fraction form
    493,193.95/681,077.81 = 466,326.34/x
  3. Step 3: Cross multiply
    493,193.95x = 681,077.81 × 466,326.34
  4. Step 4: Simplify right side
    493,193.95x = 317,604,522,392.52
  5. Step 5: Solve for x
    x = 317,604,522,392.52/493,193.95
  6. Step 6: Final answer
    x = 643,974.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.