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Finding the Fourth Proportional to 417,323.77, 575,723.88 and 245,164.04

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Solution

The fourth proportional to 417,323.77, 575,723.88 and 245,164.04 is: 338,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,323.77 : 575,723.88 = 245,164.04 : x
  2. Step 2: Convert to fraction form
    417,323.77/575,723.88 = 245,164.04/x
  3. Step 3: Cross multiply
    417,323.77x = 575,723.88 × 245,164.04
  4. Step 4: Simplify right side
    417,323.77x = 141,146,791,105.68
  5. Step 5: Solve for x
    x = 141,146,791,105.68/417,323.77
  6. Step 6: Final answer
    x = 338,218.92

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Why These Related Problems?

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