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Finding the Fourth Proportional to 580,930.80, 873,340.20 and 503,948.40

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Solution

The fourth proportional to 580,930.80, 873,340.20 and 503,948.40 is: 757,608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,930.80 : 873,340.20 = 503,948.40 : x
  2. Step 2: Convert to fraction form
    580,930.80/873,340.20 = 503,948.40/x
  3. Step 3: Cross multiply
    580,930.80x = 873,340.20 × 503,948.40
  4. Step 4: Simplify right side
    580,930.80x = 440,118,396,445.68
  5. Step 5: Solve for x
    x = 440,118,396,445.68/580,930.80
  6. Step 6: Final answer
    x = 757,608.99

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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.