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Finding the Fourth Proportional to 584,416.80, 876,020.40 and 317,613.60

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Solution

The fourth proportional to 584,416.80, 876,020.40 and 317,613.60 is: 476,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,416.80 : 876,020.40 = 317,613.60 : x
  2. Step 2: Convert to fraction form
    584,416.80/876,020.40 = 317,613.60/x
  3. Step 3: Cross multiply
    584,416.80x = 876,020.40 × 317,613.60
  4. Step 4: Simplify right side
    584,416.80x = 278,235,992,917.44
  5. Step 5: Solve for x
    x = 278,235,992,917.44/584,416.80
  6. Step 6: Final answer
    x = 476,091.71

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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.