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Finding the Fourth Proportional to 295,654.40, 443,384.40 and 108,641.60

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Solution

The fourth proportional to 295,654.40, 443,384.40 and 108,641.60 is: 162,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,654.40 : 443,384.40 = 108,641.60 : x
  2. Step 2: Convert to fraction form
    295,654.40/443,384.40 = 108,641.60/x
  3. Step 3: Cross multiply
    295,654.40x = 443,384.40 × 108,641.60
  4. Step 4: Simplify right side
    295,654.40x = 48,169,990,631.04
  5. Step 5: Solve for x
    x = 48,169,990,631.04/295,654.40
  6. Step 6: Final answer
    x = 162,926.68

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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.