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Finding the Fourth Proportional to 539,430.71, 809,277.48 and 179,600.90

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Solution

The fourth proportional to 539,430.71, 809,277.48 and 179,600.90 is: 269,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,430.71 : 809,277.48 = 179,600.90 : x
  2. Step 2: Convert to fraction form
    539,430.71/809,277.48 = 179,600.90/x
  3. Step 3: Cross multiply
    539,430.71x = 809,277.48 × 179,600.90
  4. Step 4: Simplify right side
    539,430.71x = 145,346,959,711.35
  5. Step 5: Solve for x
    x = 145,346,959,711.35/539,430.71
  6. Step 6: Final answer
    x = 269,445.10

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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.