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Finding the Fourth Proportional to 356,664.70, 534,219.45 and 294,456.70

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Solution

The fourth proportional to 356,664.70, 534,219.45 and 294,456.70 is: 441,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,664.70 : 534,219.45 = 294,456.70 : x
  2. Step 2: Convert to fraction form
    356,664.70/534,219.45 = 294,456.70/x
  3. Step 3: Cross multiply
    356,664.70x = 534,219.45 × 294,456.70
  4. Step 4: Simplify right side
    356,664.70x = 157,304,496,322.82
  5. Step 5: Solve for x
    x = 157,304,496,322.82/356,664.70
  6. Step 6: Final answer
    x = 441,043.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.