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Finding the Fourth Proportional to 536,657.20, 804,985.80 and 162,631.60

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Solution

The fourth proportional to 536,657.20, 804,985.80 and 162,631.60 is: 243,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,657.20 : 804,985.80 = 162,631.60 : x
  2. Step 2: Convert to fraction form
    536,657.20/804,985.80 = 162,631.60/x
  3. Step 3: Cross multiply
    536,657.20x = 804,985.80 × 162,631.60
  4. Step 4: Simplify right side
    536,657.20x = 130,916,128,631.28
  5. Step 5: Solve for x
    x = 130,916,128,631.28/536,657.20
  6. Step 6: Final answer
    x = 243,947.40

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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.