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Finding the Fourth Proportional to 559,034.26, 771,476.64 and 317,324.30

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Solution

The fourth proportional to 559,034.26, 771,476.64 and 317,324.30 is: 437,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,034.26 : 771,476.64 = 317,324.30 : x
  2. Step 2: Convert to fraction form
    559,034.26/771,476.64 = 317,324.30/x
  3. Step 3: Cross multiply
    559,034.26x = 771,476.64 × 317,324.30
  4. Step 4: Simplify right side
    559,034.26x = 244,808,284,754.35
  5. Step 5: Solve for x
    x = 244,808,284,754.35/559,034.26
  6. Step 6: Final answer
    x = 437,912.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.