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Finding the Fourth Proportional to 493,246.80, 739,870.20 and 282,711.60

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Solution

The fourth proportional to 493,246.80, 739,870.20 and 282,711.60 is: 424,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,246.80 : 739,870.20 = 282,711.60 : x
  2. Step 2: Convert to fraction form
    493,246.80/739,870.20 = 282,711.60/x
  3. Step 3: Cross multiply
    493,246.80x = 739,870.20 × 282,711.60
  4. Step 4: Simplify right side
    493,246.80x = 209,169,888,034.32
  5. Step 5: Solve for x
    x = 209,169,888,034.32/493,246.80
  6. Step 6: Final answer
    x = 424,067.40

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Similar ratio
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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.