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Finding the Fourth Proportional to 295,648.80, 407,948.40 and 168,326.88

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Solution

The fourth proportional to 295,648.80, 407,948.40 and 168,326.88 is: 232,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,648.80 : 407,948.40 = 168,326.88 : x
  2. Step 2: Convert to fraction form
    295,648.80/407,948.40 = 168,326.88/x
  3. Step 3: Cross multiply
    295,648.80x = 407,948.40 × 168,326.88
  4. Step 4: Simplify right side
    295,648.80x = 68,668,681,372.99
  5. Step 5: Solve for x
    x = 68,668,681,372.99/295,648.80
  6. Step 6: Final answer
    x = 232,264.37

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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.