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Finding the Fourth Proportional to 362,698.40, 544,047.18 and 126,041.10

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Solution

The fourth proportional to 362,698.40, 544,047.18 and 126,041.10 is: 189,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,698.40 : 544,047.18 = 126,041.10 : x
  2. Step 2: Convert to fraction form
    362,698.40/544,047.18 = 126,041.10/x
  3. Step 3: Cross multiply
    362,698.40x = 544,047.18 × 126,041.10
  4. Step 4: Simplify right side
    362,698.40x = 68,572,305,019.10
  5. Step 5: Solve for x
    x = 68,572,305,019.10/362,698.40
  6. Step 6: Final answer
    x = 189,061.50

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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.