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Finding the Fourth Proportional to 425,700.23, 587,470.89 and 232,106.34

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Solution

The fourth proportional to 425,700.23, 587,470.89 and 232,106.34 is: 320,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,700.23 : 587,470.89 = 232,106.34 : x
  2. Step 2: Convert to fraction form
    425,700.23/587,470.89 = 232,106.34/x
  3. Step 3: Cross multiply
    425,700.23x = 587,470.89 × 232,106.34
  4. Step 4: Simplify right side
    425,700.23x = 136,355,721,207.86
  5. Step 5: Solve for x
    x = 136,355,721,207.86/425,700.23
  6. Step 6: Final answer
    x = 320,309.25

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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.