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Finding the Fourth Proportional to 692,974.75, 956,305.16 and 375,022.75

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Solution

The fourth proportional to 692,974.75, 956,305.16 and 375,022.75 is: 517,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,974.75 : 956,305.16 = 375,022.75 : x
  2. Step 2: Convert to fraction form
    692,974.75/956,305.16 = 375,022.75/x
  3. Step 3: Cross multiply
    692,974.75x = 956,305.16 × 375,022.75
  4. Step 4: Simplify right side
    692,974.75x = 358,636,190,942.39
  5. Step 5: Solve for x
    x = 358,636,190,942.39/692,974.75
  6. Step 6: Final answer
    x = 517,531.40

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1.5x scale

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.