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Finding the Fourth Proportional to 584,770.80, 876,551.40 and 317,967.60

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Solution

The fourth proportional to 584,770.80, 876,551.40 and 317,967.60 is: 476,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,770.80 : 876,551.40 = 317,967.60 : x
  2. Step 2: Convert to fraction form
    584,770.80/876,551.40 = 317,967.60/x
  3. Step 3: Cross multiply
    584,770.80x = 876,551.40 × 317,967.60
  4. Step 4: Simplify right side
    584,770.80x = 278,714,944,934.64
  5. Step 5: Solve for x
    x = 278,714,944,934.64/584,770.80
  6. Step 6: Final answer
    x = 476,622.54

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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.