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Finding the Fourth Proportional to 503,681.31, 755,299.98 and 266,969.34

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Solution

The fourth proportional to 503,681.31, 755,299.98 and 266,969.34 is: 400,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,681.31 : 755,299.98 = 266,969.34 : x
  2. Step 2: Convert to fraction form
    503,681.31/755,299.98 = 266,969.34/x
  3. Step 3: Cross multiply
    503,681.31x = 755,299.98 × 266,969.34
  4. Step 4: Simplify right side
    503,681.31x = 201,641,937,162.61
  5. Step 5: Solve for x
    x = 201,641,937,162.61/503,681.31
  6. Step 6: Final answer
    x = 400,336.35

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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.