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Finding the Fourth Proportional to 295,821.60, 443,732.40 and 260,829.60

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Solution

The fourth proportional to 295,821.60, 443,732.40 and 260,829.60 is: 391,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,821.60 : 443,732.40 = 260,829.60 : x
  2. Step 2: Convert to fraction form
    295,821.60/443,732.40 = 260,829.60/x
  3. Step 3: Cross multiply
    295,821.60x = 443,732.40 × 260,829.60
  4. Step 4: Simplify right side
    295,821.60x = 115,738,544,399.04
  5. Step 5: Solve for x
    x = 115,738,544,399.04/295,821.60
  6. Step 6: Final answer
    x = 391,244.40

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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.