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Finding the Fourth Proportional to 584,221.60, 876,332.40 and 331,404.40

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Solution

The fourth proportional to 584,221.60, 876,332.40 and 331,404.40 is: 497,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,221.60 : 876,332.40 = 331,404.40 : x
  2. Step 2: Convert to fraction form
    584,221.60/876,332.40 = 331,404.40/x
  3. Step 3: Cross multiply
    584,221.60x = 876,332.40 × 331,404.40
  4. Step 4: Simplify right side
    584,221.60x = 290,420,413,222.56
  5. Step 5: Solve for x
    x = 290,420,413,222.56/584,221.60
  6. Step 6: Final answer
    x = 497,106.60

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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.