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Finding the Fourth Proportional to 536,537.80, 804,806.70 and 162,579.40

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Solution

The fourth proportional to 536,537.80, 804,806.70 and 162,579.40 is: 243,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,537.80 : 804,806.70 = 162,579.40 : x
  2. Step 2: Convert to fraction form
    536,537.80/804,806.70 = 162,579.40/x
  3. Step 3: Cross multiply
    536,537.80x = 804,806.70 × 162,579.40
  4. Step 4: Simplify right side
    536,537.80x = 130,844,990,401.98
  5. Step 5: Solve for x
    x = 130,844,990,401.98/536,537.80
  6. Step 6: Final answer
    x = 243,869.10

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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.