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Finding the Fourth Proportional to 375,758.72, 518,602.43 and 237,950.22

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Solution

The fourth proportional to 375,758.72, 518,602.43 and 237,950.22 is: 328,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,758.72 : 518,602.43 = 237,950.22 : x
  2. Step 2: Convert to fraction form
    375,758.72/518,602.43 = 237,950.22/x
  3. Step 3: Cross multiply
    375,758.72x = 518,602.43 × 237,950.22
  4. Step 4: Simplify right side
    375,758.72x = 123,401,561,121.28
  5. Step 5: Solve for x
    x = 123,401,561,121.28/375,758.72
  6. Step 6: Final answer
    x = 328,406.38

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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.