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Finding the Fourth Proportional to 702,150.30, 968,966.55 and 379,859.67

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Solution

The fourth proportional to 702,150.30, 968,966.55 and 379,859.67 is: 524,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,150.30 : 968,966.55 = 379,859.67 : x
  2. Step 2: Convert to fraction form
    702,150.30/968,966.55 = 379,859.67/x
  3. Step 3: Cross multiply
    702,150.30x = 968,966.55 × 379,859.67
  4. Step 4: Simplify right side
    702,150.30x = 368,071,313,924.04
  5. Step 5: Solve for x
    x = 368,071,313,924.04/702,150.30
  6. Step 6: Final answer
    x = 524,205.88

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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.