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Finding the Fourth Proportional to 349,017.18, 523,584.09 and 124,507.05

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Solution

The fourth proportional to 349,017.18, 523,584.09 and 124,507.05 is: 186,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,017.18 : 523,584.09 = 124,507.05 : x
  2. Step 2: Convert to fraction form
    349,017.18/523,584.09 = 124,507.05/x
  3. Step 3: Cross multiply
    349,017.18x = 523,584.09 × 124,507.05
  4. Step 4: Simplify right side
    349,017.18x = 65,189,910,472.83
  5. Step 5: Solve for x
    x = 65,189,910,472.83/349,017.18
  6. Step 6: Final answer
    x = 186,781.38

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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.