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Finding the Fourth Proportional to 555,592.69, 766,020.90 and 453,514.42

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Solution

The fourth proportional to 555,592.69, 766,020.90 and 453,514.42 is: 625,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,592.69 : 766,020.90 = 453,514.42 : x
  2. Step 2: Convert to fraction form
    555,592.69/766,020.90 = 453,514.42/x
  3. Step 3: Cross multiply
    555,592.69x = 766,020.90 × 453,514.42
  4. Step 4: Simplify right side
    555,592.69x = 347,401,524,171.38
  5. Step 5: Solve for x
    x = 347,401,524,171.38/555,592.69
  6. Step 6: Final answer
    x = 625,280.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.