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Finding the Fourth Proportional to 692,974, 956,304.12 and 375,022

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Solution

The fourth proportional to 692,974, 956,304.12 and 375,022 is: 517,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,974 : 956,304.12 = 375,022 : x
  2. Step 2: Convert to fraction form
    692,974/956,304.12 = 375,022/x
  3. Step 3: Cross multiply
    692,974x = 956,304.12 × 375,022
  4. Step 4: Simplify right side
    692,974x = 358,635,083,690.64
  5. Step 5: Solve for x
    x = 358,635,083,690.64/692,974
  6. Step 6: Final answer
    x = 517,530.36

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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.