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Finding the Fourth Proportional to 424,715.40, 637,183.35 and 158,477.91

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Solution

The fourth proportional to 424,715.40, 637,183.35 and 158,477.91 is: 237,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,715.40 : 637,183.35 = 158,477.91 : x
  2. Step 2: Convert to fraction form
    424,715.40/637,183.35 = 158,477.91/x
  3. Step 3: Cross multiply
    424,715.40x = 637,183.35 × 158,477.91
  4. Step 4: Simplify right side
    424,715.40x = 100,979,485,594.80
  5. Step 5: Solve for x
    x = 100,979,485,594.80/424,715.40
  6. Step 6: Final answer
    x = 237,758.00

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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.