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Finding the Fourth Proportional to 417,156.80, 575,672.96 and 235,904.36

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Solution

The fourth proportional to 417,156.80, 575,672.96 and 235,904.36 is: 325,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,156.80 : 575,672.96 = 235,904.36 : x
  2. Step 2: Convert to fraction form
    417,156.80/575,672.96 = 235,904.36/x
  3. Step 3: Cross multiply
    417,156.80x = 575,672.96 × 235,904.36
  4. Step 4: Simplify right side
    417,156.80x = 135,803,761,198.11
  5. Step 5: Solve for x
    x = 135,803,761,198.11/417,156.80
  6. Step 6: Final answer
    x = 325,546.08

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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.