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Finding the Fourth Proportional to 363,011.60, 543,480.60 and 325,686.80

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Solution

The fourth proportional to 363,011.60, 543,480.60 and 325,686.80 is: 487,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,011.60 : 543,480.60 = 325,686.80 : x
  2. Step 2: Convert to fraction form
    363,011.60/543,480.60 = 325,686.80/x
  3. Step 3: Cross multiply
    363,011.60x = 543,480.60 × 325,686.80
  4. Step 4: Simplify right side
    363,011.60x = 177,004,457,476.08
  5. Step 5: Solve for x
    x = 177,004,457,476.08/363,011.60
  6. Step 6: Final answer
    x = 487,600.00

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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.