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Finding the Fourth Proportional to 349,488, 524,343.36 and 124,844.16

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Solution

The fourth proportional to 349,488, 524,343.36 and 124,844.16 is: 187,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,488 : 524,343.36 = 124,844.16 : x
  2. Step 2: Convert to fraction form
    349,488/524,343.36 = 124,844.16/x
  3. Step 3: Cross multiply
    349,488x = 524,343.36 × 124,844.16
  4. Step 4: Simplify right side
    349,488x = 65,461,206,330.78
  5. Step 5: Solve for x
    x = 65,461,206,330.78/349,488
  6. Step 6: Final answer
    x = 187,306.02

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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.