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Finding the Fourth Proportional to 524,672.70, 787,009.05 and 335,715.90

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Solution

The fourth proportional to 524,672.70, 787,009.05 and 335,715.90 is: 503,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,672.70 : 787,009.05 = 335,715.90 : x
  2. Step 2: Convert to fraction form
    524,672.70/787,009.05 = 335,715.90/x
  3. Step 3: Cross multiply
    524,672.70x = 787,009.05 × 335,715.90
  4. Step 4: Simplify right side
    524,672.70x = 264,211,451,528.90
  5. Step 5: Solve for x
    x = 264,211,451,528.90/524,672.70
  6. Step 6: Final answer
    x = 503,573.85

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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.