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Finding the Fourth Proportional to 472,710.03, 652,313.60 and 268,732.64

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Solution

The fourth proportional to 472,710.03, 652,313.60 and 268,732.64 is: 370,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,710.03 : 652,313.60 = 268,732.64 : x
  2. Step 2: Convert to fraction form
    472,710.03/652,313.60 = 268,732.64/x
  3. Step 3: Cross multiply
    472,710.03x = 652,313.60 × 268,732.64
  4. Step 4: Simplify right side
    472,710.03x = 175,297,951,230.67
  5. Step 5: Solve for x
    x = 175,297,951,230.67/472,710.03
  6. Step 6: Final answer
    x = 370,836.12

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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.