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Finding the Fourth Proportional to 297,831.80, 446,747.70 and 264,654.20

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Solution

The fourth proportional to 297,831.80, 446,747.70 and 264,654.20 is: 396,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,831.80 : 446,747.70 = 264,654.20 : x
  2. Step 2: Convert to fraction form
    297,831.80/446,747.70 = 264,654.20/x
  3. Step 3: Cross multiply
    297,831.80x = 446,747.70 × 264,654.20
  4. Step 4: Simplify right side
    297,831.80x = 118,233,655,145.34
  5. Step 5: Solve for x
    x = 118,233,655,145.34/297,831.80
  6. Step 6: Final answer
    x = 396,981.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.