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Finding the Fourth Proportional to 584,884.80, 876,722.40 and 318,081.60

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Solution

The fourth proportional to 584,884.80, 876,722.40 and 318,081.60 is: 476,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,884.80 : 876,722.40 = 318,081.60 : x
  2. Step 2: Convert to fraction form
    584,884.80/876,722.40 = 318,081.60/x
  3. Step 3: Cross multiply
    584,884.80x = 876,722.40 × 318,081.60
  4. Step 4: Simplify right side
    584,884.80x = 278,869,263,747.84
  5. Step 5: Solve for x
    x = 278,869,263,747.84/584,884.80
  6. Step 6: Final answer
    x = 476,793.49

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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.