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Finding the Fourth Proportional to 233,689.44, 322,491.54 and 126,259.45

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Solution

The fourth proportional to 233,689.44, 322,491.54 and 126,259.45 is: 174,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,689.44 : 322,491.54 = 126,259.45 : x
  2. Step 2: Convert to fraction form
    233,689.44/322,491.54 = 126,259.45/x
  3. Step 3: Cross multiply
    233,689.44x = 322,491.54 × 126,259.45
  4. Step 4: Simplify right side
    233,689.44x = 40,717,604,470.05
  5. Step 5: Solve for x
    x = 40,717,604,470.05/233,689.44
  6. Step 6: Final answer
    x = 174,238.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.