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Finding the Fourth Proportional to 539,061.90, 808,690.05 and 223,550.70

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Solution

The fourth proportional to 539,061.90, 808,690.05 and 223,550.70 is: 335,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,061.90 : 808,690.05 = 223,550.70 : x
  2. Step 2: Convert to fraction form
    539,061.90/808,690.05 = 223,550.70/x
  3. Step 3: Cross multiply
    539,061.90x = 808,690.05 × 223,550.70
  4. Step 4: Simplify right side
    539,061.90x = 180,783,226,760.54
  5. Step 5: Solve for x
    x = 180,783,226,760.54/539,061.90
  6. Step 6: Final answer
    x = 335,366.36

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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.