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Finding the Fourth Proportional to 295,432.38, 443,148.60 and 235,989.72

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Solution

The fourth proportional to 295,432.38, 443,148.60 and 235,989.72 is: 353,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,432.38 : 443,148.60 = 235,989.72 : x
  2. Step 2: Convert to fraction form
    295,432.38/443,148.60 = 235,989.72/x
  3. Step 3: Cross multiply
    295,432.38x = 443,148.60 × 235,989.72
  4. Step 4: Simplify right side
    295,432.38x = 104,578,514,032.39
  5. Step 5: Solve for x
    x = 104,578,514,032.39/295,432.38
  6. Step 6: Final answer
    x = 353,984.60

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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.