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Finding the Fourth Proportional to 580,454.40, 800,983.15 and 325,756.38

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Solution

The fourth proportional to 580,454.40, 800,983.15 and 325,756.38 is: 449,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,454.40 : 800,983.15 = 325,756.38 : x
  2. Step 2: Convert to fraction form
    580,454.40/800,983.15 = 325,756.38/x
  3. Step 3: Cross multiply
    580,454.40x = 800,983.15 × 325,756.38
  4. Step 4: Simplify right side
    580,454.40x = 260,925,371,385.00
  5. Step 5: Solve for x
    x = 260,925,371,385.00/580,454.40
  6. Step 6: Final answer
    x = 449,519.15

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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.