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Finding the Fourth Proportional to 691,794.66, 954,700.36 and 401,384.28

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Solution

The fourth proportional to 691,794.66, 954,700.36 and 401,384.28 is: 553,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,794.66 : 954,700.36 = 401,384.28 : x
  2. Step 2: Convert to fraction form
    691,794.66/954,700.36 = 401,384.28/x
  3. Step 3: Cross multiply
    691,794.66x = 954,700.36 × 401,384.28
  4. Step 4: Simplify right side
    691,794.66x = 383,201,716,614.34
  5. Step 5: Solve for x
    x = 383,201,716,614.34/691,794.66
  6. Step 6: Final answer
    x = 553,924.07

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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.