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Finding the Fourth Proportional to 485,210.97, 669,582.23 and 270,346.41

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Solution

The fourth proportional to 485,210.97, 669,582.23 and 270,346.41 is: 373,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,210.97 : 669,582.23 = 270,346.41 : x
  2. Step 2: Convert to fraction form
    485,210.97/669,582.23 = 270,346.41/x
  3. Step 3: Cross multiply
    485,210.97x = 669,582.23 × 270,346.41
  4. Step 4: Simplify right side
    485,210.97x = 181,019,150,728.56
  5. Step 5: Solve for x
    x = 181,019,150,728.56/485,210.97
  6. Step 6: Final answer
    x = 373,073.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.