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Finding the Fourth Proportional to 570,768.62, 787,658.72 and 329,050.04

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Solution

The fourth proportional to 570,768.62, 787,658.72 and 329,050.04 is: 454,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,768.62 : 787,658.72 = 329,050.04 : x
  2. Step 2: Convert to fraction form
    570,768.62/787,658.72 = 329,050.04/x
  3. Step 3: Cross multiply
    570,768.62x = 787,658.72 × 329,050.04
  4. Step 4: Simplify right side
    570,768.62x = 259,179,133,322.35
  5. Step 5: Solve for x
    x = 259,179,133,322.35/570,768.62
  6. Step 6: Final answer
    x = 454,087.92

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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.