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Finding the Fourth Proportional to 341,967.80, 512,337.30 and 292,815.80

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Solution

The fourth proportional to 341,967.80, 512,337.30 and 292,815.80 is: 438,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,967.80 : 512,337.30 = 292,815.80 : x
  2. Step 2: Convert to fraction form
    341,967.80/512,337.30 = 292,815.80/x
  3. Step 3: Cross multiply
    341,967.80x = 512,337.30 × 292,815.80
  4. Step 4: Simplify right side
    341,967.80x = 150,020,456,369.34
  5. Step 5: Solve for x
    x = 150,020,456,369.34/341,967.80
  6. Step 6: Final answer
    x = 438,697.61

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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.