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Finding the Fourth Proportional to 537,886.20, 806,829.30 and 327,934.20

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Solution

The fourth proportional to 537,886.20, 806,829.30 and 327,934.20 is: 491,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,886.20 : 806,829.30 = 327,934.20 : x
  2. Step 2: Convert to fraction form
    537,886.20/806,829.30 = 327,934.20/x
  3. Step 3: Cross multiply
    537,886.20x = 806,829.30 × 327,934.20
  4. Step 4: Simplify right side
    537,886.20x = 264,586,921,032.06
  5. Step 5: Solve for x
    x = 264,586,921,032.06/537,886.20
  6. Step 6: Final answer
    x = 491,901.30

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Half scale
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Double scale
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Similar ratio
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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.