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Finding the Fourth Proportional to 341,394.01, 512,193.51 and 161,616.45

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Solution

The fourth proportional to 341,394.01, 512,193.51 and 161,616.45 is: 242,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,394.01 : 512,193.51 = 161,616.45 : x
  2. Step 2: Convert to fraction form
    341,394.01/512,193.51 = 161,616.45/x
  3. Step 3: Cross multiply
    341,394.01x = 512,193.51 × 161,616.45
  4. Step 4: Simplify right side
    341,394.01x = 82,778,895,838.88
  5. Step 5: Solve for x
    x = 82,778,895,838.88/341,394.01
  6. Step 6: Final answer
    x = 242,473.20

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1.5x scale

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.