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Finding the Fourth Proportional to 349,479.84, 524,329.79 and 124,835.30

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Solution

The fourth proportional to 349,479.84, 524,329.79 and 124,835.30 is: 187,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,479.84 : 524,329.79 = 124,835.30 : x
  2. Step 2: Convert to fraction form
    349,479.84/524,329.79 = 124,835.30/x
  3. Step 3: Cross multiply
    349,479.84x = 524,329.79 × 124,835.30
  4. Step 4: Simplify right side
    349,479.84x = 65,454,866,290.26
  5. Step 5: Solve for x
    x = 65,454,866,290.26/349,479.84
  6. Step 6: Final answer
    x = 187,292.25

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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.