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Finding the Fourth Proportional to 694,714, 958,705.32 and 392,901.52

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Solution

The fourth proportional to 694,714, 958,705.32 and 392,901.52 is: 542,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,714 : 958,705.32 = 392,901.52 : x
  2. Step 2: Convert to fraction form
    694,714/958,705.32 = 392,901.52/x
  3. Step 3: Cross multiply
    694,714x = 958,705.32 × 392,901.52
  4. Step 4: Simplify right side
    694,714x = 376,676,777,460.09
  5. Step 5: Solve for x
    x = 376,676,777,460.09/694,714
  6. Step 6: Final answer
    x = 542,204.10

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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.