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Finding the Fourth Proportional to 325,543.92, 449,228.80 and 180,339.84

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Solution

The fourth proportional to 325,543.92, 449,228.80 and 180,339.84 is: 248,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,543.92 : 449,228.80 = 180,339.84 : x
  2. Step 2: Convert to fraction form
    325,543.92/449,228.80 = 180,339.84/x
  3. Step 3: Cross multiply
    325,543.92x = 449,228.80 × 180,339.84
  4. Step 4: Simplify right side
    325,543.92x = 81,013,849,915.39
  5. Step 5: Solve for x
    x = 81,013,849,915.39/325,543.92
  6. Step 6: Final answer
    x = 248,856.90

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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.