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Finding the Fourth Proportional to 349,464.88, 524,064.30 and 124,783.48

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Solution

The fourth proportional to 349,464.88, 524,064.30 and 124,783.48 is: 187,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,464.88 : 524,064.30 = 124,783.48 : x
  2. Step 2: Convert to fraction form
    349,464.88/524,064.30 = 124,783.48/x
  3. Step 3: Cross multiply
    349,464.88x = 524,064.30 × 124,783.48
  4. Step 4: Simplify right side
    349,464.88x = 65,394,567,097.76
  5. Step 5: Solve for x
    x = 65,394,567,097.76/349,464.88
  6. Step 6: Final answer
    x = 187,127.72

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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.