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Finding the Fourth Proportional to 535,734.70, 803,602.05 and 161,709.10

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Solution

The fourth proportional to 535,734.70, 803,602.05 and 161,709.10 is: 242,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,734.70 : 803,602.05 = 161,709.10 : x
  2. Step 2: Convert to fraction form
    535,734.70/803,602.05 = 161,709.10/x
  3. Step 3: Cross multiply
    535,734.70x = 803,602.05 × 161,709.10
  4. Step 4: Simplify right side
    535,734.70x = 129,949,764,263.66
  5. Step 5: Solve for x
    x = 129,949,764,263.66/535,734.70
  6. Step 6: Final answer
    x = 242,563.65

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Similar ratio
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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.