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Finding the Fourth Proportional to 349,720.29, 524,524.53 and 125,038.85

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Solution

The fourth proportional to 349,720.29, 524,524.53 and 125,038.85 is: 187,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,720.29 : 524,524.53 = 125,038.85 : x
  2. Step 2: Convert to fraction form
    349,720.29/524,524.53 = 125,038.85/x
  3. Step 3: Cross multiply
    349,720.29x = 524,524.53 × 125,038.85
  4. Step 4: Simplify right side
    349,720.29x = 65,585,941,405.37
  5. Step 5: Solve for x
    x = 65,585,941,405.37/349,720.29
  6. Step 6: Final answer
    x = 187,538.28

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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.