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Finding the Fourth Proportional to 341,988.80, 512,983.20 and 314,432.60

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Solution

The fourth proportional to 341,988.80, 512,983.20 and 314,432.60 is: 471,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,988.80 : 512,983.20 = 314,432.60 : x
  2. Step 2: Convert to fraction form
    341,988.80/512,983.20 = 314,432.60/x
  3. Step 3: Cross multiply
    341,988.80x = 512,983.20 × 314,432.60
  4. Step 4: Simplify right side
    341,988.80x = 161,298,641,332.32
  5. Step 5: Solve for x
    x = 161,298,641,332.32/341,988.80
  6. Step 6: Final answer
    x = 471,648.90

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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.