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Finding the Fourth Proportional to 583,685.20, 874,879.80 and 228,581.20

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Solution

The fourth proportional to 583,685.20, 874,879.80 and 228,581.20 is: 342,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,685.20 : 874,879.80 = 228,581.20 : x
  2. Step 2: Convert to fraction form
    583,685.20/874,879.80 = 228,581.20/x
  3. Step 3: Cross multiply
    583,685.20x = 874,879.80 × 228,581.20
  4. Step 4: Simplify right side
    583,685.20x = 199,981,074,539.76
  5. Step 5: Solve for x
    x = 199,981,074,539.76/583,685.20
  6. Step 6: Final answer
    x = 342,618.03

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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.