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Finding the Fourth Proportional to 692,979, 956,311.02 and 375,027

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Solution

The fourth proportional to 692,979, 956,311.02 and 375,027 is: 517,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,979 : 956,311.02 = 375,027 : x
  2. Step 2: Convert to fraction form
    692,979/956,311.02 = 375,027/x
  3. Step 3: Cross multiply
    692,979x = 956,311.02 × 375,027
  4. Step 4: Simplify right side
    692,979x = 358,642,452,897.54
  5. Step 5: Solve for x
    x = 358,642,452,897.54/692,979
  6. Step 6: Final answer
    x = 517,537.26

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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.