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Finding the Fourth Proportional to 436,854.30, 655,281.45 and 141,366.30

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Solution

The fourth proportional to 436,854.30, 655,281.45 and 141,366.30 is: 212,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,854.30 : 655,281.45 = 141,366.30 : x
  2. Step 2: Convert to fraction form
    436,854.30/655,281.45 = 141,366.30/x
  3. Step 3: Cross multiply
    436,854.30x = 655,281.45 × 141,366.30
  4. Step 4: Simplify right side
    436,854.30x = 92,634,714,045.14
  5. Step 5: Solve for x
    x = 92,634,714,045.14/436,854.30
  6. Step 6: Final answer
    x = 212,049.45

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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.