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Finding the Fourth Proportional to 536,539.80, 804,809.70 and 162,581.40

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Solution

The fourth proportional to 536,539.80, 804,809.70 and 162,581.40 is: 243,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,539.80 : 804,809.70 = 162,581.40 : x
  2. Step 2: Convert to fraction form
    536,539.80/804,809.70 = 162,581.40/x
  3. Step 3: Cross multiply
    536,539.80x = 804,809.70 × 162,581.40
  4. Step 4: Simplify right side
    536,539.80x = 130,847,087,759.58
  5. Step 5: Solve for x
    x = 130,847,087,759.58/536,539.80
  6. Step 6: Final answer
    x = 243,872.10

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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.