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Finding the Fourth Proportional to 476,598.33, 715,198.82 and 266,374.17

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Solution

The fourth proportional to 476,598.33, 715,198.82 and 266,374.17 is: 399,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,598.33 : 715,198.82 = 266,374.17 : x
  2. Step 2: Convert to fraction form
    476,598.33/715,198.82 = 266,374.17/x
  3. Step 3: Cross multiply
    476,598.33x = 715,198.82 × 266,374.17
  4. Step 4: Simplify right side
    476,598.33x = 190,510,490,730.61
  5. Step 5: Solve for x
    x = 190,510,490,730.61/476,598.33
  6. Step 6: Final answer
    x = 399,729.66

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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.