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Finding the Fourth Proportional to 533,012.67, 735,559.38 and 291,295.17

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Solution

The fourth proportional to 533,012.67, 735,559.38 and 291,295.17 is: 401,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,012.67 : 735,559.38 = 291,295.17 : x
  2. Step 2: Convert to fraction form
    533,012.67/735,559.38 = 291,295.17/x
  3. Step 3: Cross multiply
    533,012.67x = 735,559.38 × 291,295.17
  4. Step 4: Simplify right side
    533,012.67x = 214,264,894,642.20
  5. Step 5: Solve for x
    x = 214,264,894,642.20/533,012.67
  6. Step 6: Final answer
    x = 401,988.37

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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.