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Finding the Fourth Proportional to 570,767.25, 787,656.82 and 329,048.67

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Solution

The fourth proportional to 570,767.25, 787,656.82 and 329,048.67 is: 454,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,767.25 : 787,656.82 = 329,048.67 : x
  2. Step 2: Convert to fraction form
    570,767.25/787,656.82 = 329,048.67/x
  3. Step 3: Cross multiply
    570,767.25x = 787,656.82 × 329,048.67
  4. Step 4: Simplify right side
    570,767.25x = 259,177,429,037.43
  5. Step 5: Solve for x
    x = 259,177,429,037.43/570,767.25
  6. Step 6: Final answer
    x = 454,086.02

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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.