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Finding the Fourth Proportional to 694,294.46, 957,740.51 and 403,873.34

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Solution

The fourth proportional to 694,294.46, 957,740.51 and 403,873.34 is: 557,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,294.46 : 957,740.51 = 403,873.34 : x
  2. Step 2: Convert to fraction form
    694,294.46/957,740.51 = 403,873.34/x
  3. Step 3: Cross multiply
    694,294.46x = 957,740.51 × 403,873.34
  4. Step 4: Simplify right side
    694,294.46x = 386,805,862,031.04
  5. Step 5: Solve for x
    x = 386,805,862,031.04/694,294.46
  6. Step 6: Final answer
    x = 557,120.77

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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.