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Finding the Fourth Proportional to 503,885.10, 755,827.65 and 148,910.70

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Solution

The fourth proportional to 503,885.10, 755,827.65 and 148,910.70 is: 223,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,885.10 : 755,827.65 = 148,910.70 : x
  2. Step 2: Convert to fraction form
    503,885.10/755,827.65 = 148,910.70/x
  3. Step 3: Cross multiply
    503,885.10x = 755,827.65 × 148,910.70
  4. Step 4: Simplify right side
    503,885.10x = 112,550,824,440.86
  5. Step 5: Solve for x
    x = 112,550,824,440.86/503,885.10
  6. Step 6: Final answer
    x = 223,366.05

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Similar ratio
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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.