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Finding the Fourth Proportional to 523,073.35, 784,506.68 and 143,896.29

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Solution

The fourth proportional to 523,073.35, 784,506.68 and 143,896.29 is: 215,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,073.35 : 784,506.68 = 143,896.29 : x
  2. Step 2: Convert to fraction form
    523,073.35/784,506.68 = 143,896.29/x
  3. Step 3: Cross multiply
    523,073.35x = 784,506.68 × 143,896.29
  4. Step 4: Simplify right side
    523,073.35x = 112,887,600,732.22
  5. Step 5: Solve for x
    x = 112,887,600,732.22/523,073.35
  6. Step 6: Final answer
    x = 215,816.01

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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.