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Finding the Fourth Proportional to 428,550.34, 591,359.70 and 237,547.48

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Solution

The fourth proportional to 428,550.34, 591,359.70 and 237,547.48 is: 327,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,550.34 : 591,359.70 = 237,547.48 : x
  2. Step 2: Convert to fraction form
    428,550.34/591,359.70 = 237,547.48/x
  3. Step 3: Cross multiply
    428,550.34x = 591,359.70 × 237,547.48
  4. Step 4: Simplify right side
    428,550.34x = 140,476,006,508.56
  5. Step 5: Solve for x
    x = 140,476,006,508.56/428,550.34
  6. Step 6: Final answer
    x = 327,793.48

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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.