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Finding the Fourth Proportional to 444,315.63, 666,542.62 and 144,726.55

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Solution

The fourth proportional to 444,315.63, 666,542.62 and 144,726.55 is: 217,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,315.63 : 666,542.62 = 144,726.55 : x
  2. Step 2: Convert to fraction form
    444,315.63/666,542.62 = 144,726.55/x
  3. Step 3: Cross multiply
    444,315.63x = 666,542.62 × 144,726.55
  4. Step 4: Simplify right side
    444,315.63x = 96,466,412,335.11
  5. Step 5: Solve for x
    x = 96,466,412,335.11/444,315.63
  6. Step 6: Final answer
    x = 217,112.35

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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.