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Finding the Fourth Proportional to 691,792.58, 954,632.63 and 401,381.66

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Solution

The fourth proportional to 691,792.58, 954,632.63 and 401,381.66 is: 553,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,792.58 : 954,632.63 = 401,381.66 : x
  2. Step 2: Convert to fraction form
    691,792.58/954,632.63 = 401,381.66/x
  3. Step 3: Cross multiply
    691,792.58x = 954,632.63 × 401,381.66
  4. Step 4: Simplify right side
    691,792.58x = 383,172,022,939.49
  5. Step 5: Solve for x
    x = 383,172,022,939.49/691,792.58
  6. Step 6: Final answer
    x = 553,882.82

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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.