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Finding the Fourth Proportional to 476,634.10, 714,950.12 and 299,265.66

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Solution

The fourth proportional to 476,634.10, 714,950.12 and 299,265.66 is: 448,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,634.10 : 714,950.12 = 299,265.66 : x
  2. Step 2: Convert to fraction form
    476,634.10/714,950.12 = 299,265.66/x
  3. Step 3: Cross multiply
    476,634.10x = 714,950.12 × 299,265.66
  4. Step 4: Simplify right side
    476,634.10x = 213,960,021,446.16
  5. Step 5: Solve for x
    x = 213,960,021,446.16/476,634.10
  6. Step 6: Final answer
    x = 448,897.85

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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.