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Finding the Fourth Proportional to 425,567.16, 587,274.48 and 231,976.68

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Solution

The fourth proportional to 425,567.16, 587,274.48 and 231,976.68 is: 320,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,567.16 : 587,274.48 = 231,976.68 : x
  2. Step 2: Convert to fraction form
    425,567.16/587,274.48 = 231,976.68/x
  3. Step 3: Cross multiply
    425,567.16x = 587,274.48 × 231,976.68
  4. Step 4: Simplify right side
    425,567.16x = 136,233,984,119.13
  5. Step 5: Solve for x
    x = 136,233,984,119.13/425,567.16
  6. Step 6: Final answer
    x = 320,123.35

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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.