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Finding the Fourth Proportional to 303,486.30, 455,229.45 and 93,096.90

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Solution

The fourth proportional to 303,486.30, 455,229.45 and 93,096.90 is: 139,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,486.30 : 455,229.45 = 93,096.90 : x
  2. Step 2: Convert to fraction form
    303,486.30/455,229.45 = 93,096.90/x
  3. Step 3: Cross multiply
    303,486.30x = 455,229.45 × 93,096.90
  4. Step 4: Simplify right side
    303,486.30x = 42,380,450,583.71
  5. Step 5: Solve for x
    x = 42,380,450,583.71/303,486.30
  6. Step 6: Final answer
    x = 139,645.35

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Similar ratio
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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.