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Finding the Fourth Proportional to 694,496.16, 958,277.52 and 408,062.88

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Solution

The fourth proportional to 694,496.16, 958,277.52 and 408,062.88 is: 563,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,496.16 : 958,277.52 = 408,062.88 : x
  2. Step 2: Convert to fraction form
    694,496.16/958,277.52 = 408,062.88/x
  3. Step 3: Cross multiply
    694,496.16x = 958,277.52 × 408,062.88
  4. Step 4: Simplify right side
    694,496.16x = 391,037,484,650.46
  5. Step 5: Solve for x
    x = 391,037,484,650.46/694,496.16
  6. Step 6: Final answer
    x = 563,052.05

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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.