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Finding the Fourth Proportional to 549,266.70, 823,900.05 and 194,292.30

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Solution

The fourth proportional to 549,266.70, 823,900.05 and 194,292.30 is: 291,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,266.70 : 823,900.05 = 194,292.30 : x
  2. Step 2: Convert to fraction form
    549,266.70/823,900.05 = 194,292.30/x
  3. Step 3: Cross multiply
    549,266.70x = 823,900.05 × 194,292.30
  4. Step 4: Simplify right side
    549,266.70x = 160,077,435,684.62
  5. Step 5: Solve for x
    x = 160,077,435,684.62/549,266.70
  6. Step 6: Final answer
    x = 291,438.45

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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.