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Finding the Fourth Proportional to 606,376.80, 909,694.80 and 185,695.20

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Solution

The fourth proportional to 606,376.80, 909,694.80 and 185,695.20 is: 278,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,376.80 : 909,694.80 = 185,695.20 : x
  2. Step 2: Convert to fraction form
    606,376.80/909,694.80 = 185,695.20/x
  3. Step 3: Cross multiply
    606,376.80x = 909,694.80 × 185,695.20
  4. Step 4: Simplify right side
    606,376.80x = 168,925,957,824.96
  5. Step 5: Solve for x
    x = 168,925,957,824.96/606,376.80
  6. Step 6: Final answer
    x = 278,582.49

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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.