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Finding the Fourth Proportional to 472,679.16, 708,427.42 and 236,087.88

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Solution

The fourth proportional to 472,679.16, 708,427.42 and 236,087.88 is: 353,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,679.16 : 708,427.42 = 236,087.88 : x
  2. Step 2: Convert to fraction form
    472,679.16/708,427.42 = 236,087.88/x
  3. Step 3: Cross multiply
    472,679.16x = 708,427.42 × 236,087.88
  4. Step 4: Simplify right side
    472,679.16x = 167,251,127,721.67
  5. Step 5: Solve for x
    x = 167,251,127,721.67/472,679.16
  6. Step 6: Final answer
    x = 353,836.47

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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.