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Finding the Fourth Proportional to 555,591.69, 766,019.52 and 453,513.42

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Solution

The fourth proportional to 555,591.69, 766,019.52 and 453,513.42 is: 625,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,591.69 : 766,019.52 = 453,513.42 : x
  2. Step 2: Convert to fraction form
    555,591.69/766,019.52 = 453,513.42/x
  3. Step 3: Cross multiply
    555,591.69x = 766,019.52 × 453,513.42
  4. Step 4: Simplify right side
    555,591.69x = 347,400,132,301.96
  5. Step 5: Solve for x
    x = 347,400,132,301.96/555,591.69
  6. Step 6: Final answer
    x = 625,279.57

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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.