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Finding the Fourth Proportional to 533,776.90, 800,665.35 and 218,460.10

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Solution

The fourth proportional to 533,776.90, 800,665.35 and 218,460.10 is: 327,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,776.90 : 800,665.35 = 218,460.10 : x
  2. Step 2: Convert to fraction form
    533,776.90/800,665.35 = 218,460.10/x
  3. Step 3: Cross multiply
    533,776.90x = 800,665.35 × 218,460.10
  4. Step 4: Simplify right side
    533,776.90x = 174,913,432,427.54
  5. Step 5: Solve for x
    x = 174,913,432,427.54/533,776.90
  6. Step 6: Final answer
    x = 327,690.15

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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.