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Finding the Fourth Proportional to 524,096.70, 786,145.05 and 335,139.90

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Solution

The fourth proportional to 524,096.70, 786,145.05 and 335,139.90 is: 502,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,096.70 : 786,145.05 = 335,139.90 : x
  2. Step 2: Convert to fraction form
    524,096.70/786,145.05 = 335,139.90/x
  3. Step 3: Cross multiply
    524,096.70x = 786,145.05 × 335,139.90
  4. Step 4: Simplify right side
    524,096.70x = 263,468,573,442.50
  5. Step 5: Solve for x
    x = 263,468,573,442.50/524,096.70
  6. Step 6: Final answer
    x = 502,709.85

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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.