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Finding the Fourth Proportional to 354,939.84, 532,262.88 and 144,434.88

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Solution

The fourth proportional to 354,939.84, 532,262.88 and 144,434.88 is: 216,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,939.84 : 532,262.88 = 144,434.88 : x
  2. Step 2: Convert to fraction form
    354,939.84/532,262.88 = 144,434.88/x
  3. Step 3: Cross multiply
    354,939.84x = 532,262.88 × 144,434.88
  4. Step 4: Simplify right side
    354,939.84x = 76,877,325,201.25
  5. Step 5: Solve for x
    x = 76,877,325,201.25/354,939.84
  6. Step 6: Final answer
    x = 216,592.55

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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.