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Finding the Fourth Proportional to 536,513.20, 804,769.80 and 162,536.20

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Solution

The fourth proportional to 536,513.20, 804,769.80 and 162,536.20 is: 243,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,513.20 : 804,769.80 = 162,536.20 : x
  2. Step 2: Convert to fraction form
    536,513.20/804,769.80 = 162,536.20/x
  3. Step 3: Cross multiply
    536,513.20x = 804,769.80 × 162,536.20
  4. Step 4: Simplify right side
    536,513.20x = 130,804,225,166.76
  5. Step 5: Solve for x
    x = 130,804,225,166.76/536,513.20
  6. Step 6: Final answer
    x = 243,804.30

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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.