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Finding the Fourth Proportional to 549,901.80, 824,852.70 and 194,951.70

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Solution

The fourth proportional to 549,901.80, 824,852.70 and 194,951.70 is: 292,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,901.80 : 824,852.70 = 194,951.70 : x
  2. Step 2: Convert to fraction form
    549,901.80/824,852.70 = 194,951.70/x
  3. Step 3: Cross multiply
    549,901.80x = 824,852.70 × 194,951.70
  4. Step 4: Simplify right side
    549,901.80x = 160,806,436,114.59
  5. Step 5: Solve for x
    x = 160,806,436,114.59/549,901.80
  6. Step 6: Final answer
    x = 292,427.55

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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.