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Finding the Fourth Proportional to 539,059.20, 808,783.20 and 223,612.80

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Solution

The fourth proportional to 539,059.20, 808,783.20 and 223,612.80 is: 335,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,059.20 : 808,783.20 = 223,612.80 : x
  2. Step 2: Convert to fraction form
    539,059.20/808,783.20 = 223,612.80/x
  3. Step 3: Cross multiply
    539,059.20x = 808,783.20 × 223,612.80
  4. Step 4: Simplify right side
    539,059.20x = 180,854,275,944.96
  5. Step 5: Solve for x
    x = 180,854,275,944.96/539,059.20
  6. Step 6: Final answer
    x = 335,499.84

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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.