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Finding the Fourth Proportional to 298,039.53, 446,779.76 and 108,452.60

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Solution

The fourth proportional to 298,039.53, 446,779.76 and 108,452.60 is: 162,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,039.53 : 446,779.76 = 108,452.60 : x
  2. Step 2: Convert to fraction form
    298,039.53/446,779.76 = 108,452.60/x
  3. Step 3: Cross multiply
    298,039.53x = 446,779.76 × 108,452.60
  4. Step 4: Simplify right side
    298,039.53x = 48,454,426,599.38
  5. Step 5: Solve for x
    x = 48,454,426,599.38/298,039.53
  6. Step 6: Final answer
    x = 162,577.18

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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.