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Finding the Fourth Proportional to 501,315.31, 752,017.29 and 141,489.37

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Solution

The fourth proportional to 501,315.31, 752,017.29 and 141,489.37 is: 212,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,315.31 : 752,017.29 = 141,489.37 : x
  2. Step 2: Convert to fraction form
    501,315.31/752,017.29 = 141,489.37/x
  3. Step 3: Cross multiply
    501,315.31x = 752,017.29 × 141,489.37
  4. Step 4: Simplify right side
    501,315.31x = 106,402,452,591.21
  5. Step 5: Solve for x
    x = 106,402,452,591.21/501,315.31
  6. Step 6: Final answer
    x = 212,246.57

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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.