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Finding the Fourth Proportional to 324,009.80, 486,597.90 and 235,363.40

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Solution

The fourth proportional to 324,009.80, 486,597.90 and 235,363.40 is: 353,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,009.80 : 486,597.90 = 235,363.40 : x
  2. Step 2: Convert to fraction form
    324,009.80/486,597.90 = 235,363.40/x
  3. Step 3: Cross multiply
    324,009.80x = 486,597.90 × 235,363.40
  4. Step 4: Simplify right side
    324,009.80x = 114,527,336,176.86
  5. Step 5: Solve for x
    x = 114,527,336,176.86/324,009.80
  6. Step 6: Final answer
    x = 353,468.74

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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.