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Finding the Fourth Proportional to 584,500.80, 806,601.60 and 316,228.80

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Solution

The fourth proportional to 584,500.80, 806,601.60 and 316,228.80 is: 436,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,500.80 : 806,601.60 = 316,228.80 : x
  2. Step 2: Convert to fraction form
    584,500.80/806,601.60 = 316,228.80/x
  3. Step 3: Cross multiply
    584,500.80x = 806,601.60 × 316,228.80
  4. Step 4: Simplify right side
    584,500.80x = 255,070,656,046.08
  5. Step 5: Solve for x
    x = 255,070,656,046.08/584,500.80
  6. Step 6: Final answer
    x = 436,390.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.