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Finding the Fourth Proportional to 444,129.76, 612,726.96 and 282,955.96

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Solution

The fourth proportional to 444,129.76, 612,726.96 and 282,955.96 is: 390,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,129.76 : 612,726.96 = 282,955.96 : x
  2. Step 2: Convert to fraction form
    444,129.76/612,726.96 = 282,955.96/x
  3. Step 3: Cross multiply
    444,129.76x = 612,726.96 × 282,955.96
  4. Step 4: Simplify right side
    444,129.76x = 173,374,745,184.68
  5. Step 5: Solve for x
    x = 173,374,745,184.68/444,129.76
  6. Step 6: Final answer
    x = 390,369.57

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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.