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Finding the Fourth Proportional to 303,248.58, 418,483.74 and 167,291.52

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Solution

The fourth proportional to 303,248.58, 418,483.74 and 167,291.52 is: 230,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,248.58 : 418,483.74 = 167,291.52 : x
  2. Step 2: Convert to fraction form
    303,248.58/418,483.74 = 167,291.52/x
  3. Step 3: Cross multiply
    303,248.58x = 418,483.74 × 167,291.52
  4. Step 4: Simplify right side
    303,248.58x = 70,008,780,959.88
  5. Step 5: Solve for x
    x = 70,008,780,959.88/303,248.58
  6. Step 6: Final answer
    x = 230,862.68

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1.5x scale

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.