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Finding the Fourth Proportional to 463,235.72, 638,391.64 and 371,250.52

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Solution

The fourth proportional to 463,235.72, 638,391.64 and 371,250.52 is: 511,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,235.72 : 638,391.64 = 371,250.52 : x
  2. Step 2: Convert to fraction form
    463,235.72/638,391.64 = 371,250.52/x
  3. Step 3: Cross multiply
    463,235.72x = 638,391.64 × 371,250.52
  4. Step 4: Simplify right side
    463,235.72x = 237,003,228,313.65
  5. Step 5: Solve for x
    x = 237,003,228,313.65/463,235.72
  6. Step 6: Final answer
    x = 511,625.55

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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.