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Finding the Fourth Proportional to 636,081.80, 954,122.70 and 608,779.40

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Solution

The fourth proportional to 636,081.80, 954,122.70 and 608,779.40 is: 913,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,081.80 : 954,122.70 = 608,779.40 : x
  2. Step 2: Convert to fraction form
    636,081.80/954,122.70 = 608,779.40/x
  3. Step 3: Cross multiply
    636,081.80x = 954,122.70 × 608,779.40
  4. Step 4: Simplify right side
    636,081.80x = 580,850,244,832.38
  5. Step 5: Solve for x
    x = 580,850,244,832.38/636,081.80
  6. Step 6: Final answer
    x = 913,169.10

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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.