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Finding the Fourth Proportional to 324,041.80, 486,062.70 and 243,560.20

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Solution

The fourth proportional to 324,041.80, 486,062.70 and 243,560.20 is: 365,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,041.80 : 486,062.70 = 243,560.20 : x
  2. Step 2: Convert to fraction form
    324,041.80/486,062.70 = 243,560.20/x
  3. Step 3: Cross multiply
    324,041.80x = 486,062.70 × 243,560.20
  4. Step 4: Simplify right side
    324,041.80x = 118,385,528,424.54
  5. Step 5: Solve for x
    x = 118,385,528,424.54/324,041.80
  6. Step 6: Final answer
    x = 365,340.30

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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.