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Finding the Fourth Proportional to 341,995.98, 472,257.08 and 213,154.35

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Solution

The fourth proportional to 341,995.98, 472,257.08 and 213,154.35 is: 294,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,995.98 : 472,257.08 = 213,154.35 : x
  2. Step 2: Convert to fraction form
    341,995.98/472,257.08 = 213,154.35/x
  3. Step 3: Cross multiply
    341,995.98x = 472,257.08 × 213,154.35
  4. Step 4: Simplify right side
    341,995.98x = 100,663,650,920.30
  5. Step 5: Solve for x
    x = 100,663,650,920.30/341,995.98
  6. Step 6: Final answer
    x = 294,341.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.