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Finding the Fourth Proportional to 536,544.80, 804,817.20 and 162,586.40

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Solution

The fourth proportional to 536,544.80, 804,817.20 and 162,586.40 is: 243,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,544.80 : 804,817.20 = 162,586.40 : x
  2. Step 2: Convert to fraction form
    536,544.80/804,817.20 = 162,586.40/x
  3. Step 3: Cross multiply
    536,544.80x = 804,817.20 × 162,586.40
  4. Step 4: Simplify right side
    536,544.80x = 130,852,331,206.08
  5. Step 5: Solve for x
    x = 130,852,331,206.08/536,544.80
  6. Step 6: Final answer
    x = 243,879.60

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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.