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Finding the Fourth Proportional to 637,381.71, 956,074.91 and 238,018.23

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Solution

The fourth proportional to 637,381.71, 956,074.91 and 238,018.23 is: 357,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,381.71 : 956,074.91 = 238,018.23 : x
  2. Step 2: Convert to fraction form
    637,381.71/956,074.91 = 238,018.23/x
  3. Step 3: Cross multiply
    637,381.71x = 956,074.91 × 238,018.23
  4. Step 4: Simplify right side
    637,381.71x = 227,563,256,635.52
  5. Step 5: Solve for x
    x = 227,563,256,635.52/637,381.71
  6. Step 6: Final answer
    x = 357,028.22

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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.