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Finding the Fourth Proportional to 332,322.60, 498,483.90 and 172,890.30

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Solution

The fourth proportional to 332,322.60, 498,483.90 and 172,890.30 is: 259,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,322.60 : 498,483.90 = 172,890.30 : x
  2. Step 2: Convert to fraction form
    332,322.60/498,483.90 = 172,890.30/x
  3. Step 3: Cross multiply
    332,322.60x = 498,483.90 × 172,890.30
  4. Step 4: Simplify right side
    332,322.60x = 86,183,031,016.17
  5. Step 5: Solve for x
    x = 86,183,031,016.17/332,322.60
  6. Step 6: Final answer
    x = 259,335.45

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1.5x scale

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.