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Finding the Fourth Proportional to 608,743.80, 913,115.70 and 576,084.60

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Solution

The fourth proportional to 608,743.80, 913,115.70 and 576,084.60 is: 864,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,743.80 : 913,115.70 = 576,084.60 : x
  2. Step 2: Convert to fraction form
    608,743.80/913,115.70 = 576,084.60/x
  3. Step 3: Cross multiply
    608,743.80x = 913,115.70 × 576,084.60
  4. Step 4: Simplify right side
    608,743.80x = 526,031,892,788.22
  5. Step 5: Solve for x
    x = 526,031,892,788.22/608,743.80
  6. Step 6: Final answer
    x = 864,126.90

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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.