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Finding the Fourth Proportional to 503,019.13, 754,307.19 and 266,306.44

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Solution

The fourth proportional to 503,019.13, 754,307.19 and 266,306.44 is: 399,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,019.13 : 754,307.19 = 266,306.44 : x
  2. Step 2: Convert to fraction form
    503,019.13/754,307.19 = 266,306.44/x
  3. Step 3: Cross multiply
    503,019.13x = 754,307.19 × 266,306.44
  4. Step 4: Simplify right side
    503,019.13x = 200,876,862,435.30
  5. Step 5: Solve for x
    x = 200,876,862,435.30/503,019.13
  6. Step 6: Final answer
    x = 399,342.39

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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.