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Finding the Fourth Proportional to 332,643.51, 458,508.80 and 259,919.28

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Solution

The fourth proportional to 332,643.51, 458,508.80 and 259,919.28 is: 358,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,643.51 : 458,508.80 = 259,919.28 : x
  2. Step 2: Convert to fraction form
    332,643.51/458,508.80 = 259,919.28/x
  3. Step 3: Cross multiply
    332,643.51x = 458,508.80 × 259,919.28
  4. Step 4: Simplify right side
    332,643.51x = 119,175,277,819.46
  5. Step 5: Solve for x
    x = 119,175,277,819.46/332,643.51
  6. Step 6: Final answer
    x = 358,267.26

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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.