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Finding the Fourth Proportional to 694,617.41, 957,653.12 and 500,862.98

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Solution

The fourth proportional to 694,617.41, 957,653.12 and 500,862.98 is: 690,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,617.41 : 957,653.12 = 500,862.98 : x
  2. Step 2: Convert to fraction form
    694,617.41/957,653.12 = 500,862.98/x
  3. Step 3: Cross multiply
    694,617.41x = 957,653.12 × 500,862.98
  4. Step 4: Simplify right side
    694,617.41x = 479,652,988,196.92
  5. Step 5: Solve for x
    x = 479,652,988,196.92/694,617.41
  6. Step 6: Final answer
    x = 690,528.32

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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.