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Finding the Fourth Proportional to 428,337.93, 591,073.83 and 237,347.22

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Solution

The fourth proportional to 428,337.93, 591,073.83 and 237,347.22 is: 327,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,337.93 : 591,073.83 = 237,347.22 : x
  2. Step 2: Convert to fraction form
    428,337.93/591,073.83 = 237,347.22/x
  3. Step 3: Cross multiply
    428,337.93x = 591,073.83 × 237,347.22
  4. Step 4: Simplify right side
    428,337.93x = 140,289,730,365.25
  5. Step 5: Solve for x
    x = 140,289,730,365.25/428,337.93
  6. Step 6: Final answer
    x = 327,521.15

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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.