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Finding the Fourth Proportional to 349,999.97, 524,883.20 and 136,712.61

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Solution

The fourth proportional to 349,999.97, 524,883.20 and 136,712.61 is: 205,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,999.97 : 524,883.20 = 136,712.61 : x
  2. Step 2: Convert to fraction form
    349,999.97/524,883.20 = 136,712.61/x
  3. Step 3: Cross multiply
    349,999.97x = 524,883.20 × 136,712.61
  4. Step 4: Simplify right side
    349,999.97x = 71,758,151,533.59
  5. Step 5: Solve for x
    x = 71,758,151,533.59/349,999.97
  6. Step 6: Final answer
    x = 205,023.31

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1.5x scale

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.