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Finding the Fourth Proportional to 476,982.27, 715,718.53 and 263,710.59

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Solution

The fourth proportional to 476,982.27, 715,718.53 and 263,710.59 is: 395,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,982.27 : 715,718.53 = 263,710.59 : x
  2. Step 2: Convert to fraction form
    476,982.27/715,718.53 = 263,710.59/x
  3. Step 3: Cross multiply
    476,982.27x = 715,718.53 × 263,710.59
  4. Step 4: Simplify right side
    476,982.27x = 188,742,553,465.93
  5. Step 5: Solve for x
    x = 188,742,553,465.93/476,982.27
  6. Step 6: Final answer
    x = 395,701.40

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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.