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Finding the Fourth Proportional to 295,421.66, 443,132.50 and 235,979

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Solution

The fourth proportional to 295,421.66, 443,132.50 and 235,979 is: 353,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,421.66 : 443,132.50 = 235,979 : x
  2. Step 2: Convert to fraction form
    295,421.66/443,132.50 = 235,979/x
  3. Step 3: Cross multiply
    295,421.66x = 443,132.50 × 235,979
  4. Step 4: Simplify right side
    295,421.66x = 104,569,964,217.50
  5. Step 5: Solve for x
    x = 104,569,964,217.50/295,421.66
  6. Step 6: Final answer
    x = 353,968.51

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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.