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Finding the Fourth Proportional to 503,519.04, 755,278.56 and 345,267.36

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Solution

The fourth proportional to 503,519.04, 755,278.56 and 345,267.36 is: 517,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,519.04 : 755,278.56 = 345,267.36 : x
  2. Step 2: Convert to fraction form
    503,519.04/755,278.56 = 345,267.36/x
  3. Step 3: Cross multiply
    503,519.04x = 755,278.56 × 345,267.36
  4. Step 4: Simplify right side
    503,519.04x = 260,773,034,475.80
  5. Step 5: Solve for x
    x = 260,773,034,475.80/503,519.04
  6. Step 6: Final answer
    x = 517,901.04

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Similar ratio
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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.