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Finding the Fourth Proportional to 476,928.36, 715,497.64 and 264,006.84

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Solution

The fourth proportional to 476,928.36, 715,497.64 and 264,006.84 is: 396,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928.36 : 715,497.64 = 264,006.84 : x
  2. Step 2: Convert to fraction form
    476,928.36/715,497.64 = 264,006.84/x
  3. Step 3: Cross multiply
    476,928.36x = 715,497.64 × 264,006.84
  4. Step 4: Simplify right side
    476,928.36x = 188,896,270,963.86
  5. Step 5: Solve for x
    x = 188,896,270,963.86/476,928.36
  6. Step 6: Final answer
    x = 396,068.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.