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Finding the Fourth Proportional to 618,995.32, 854,248.58 and 347,150.00

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Solution

The fourth proportional to 618,995.32, 854,248.58 and 347,150.00 is: 479,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,995.32 : 854,248.58 = 347,150.00 : x
  2. Step 2: Convert to fraction form
    618,995.32/854,248.58 = 347,150.00/x
  3. Step 3: Cross multiply
    618,995.32x = 854,248.58 × 347,150.00
  4. Step 4: Simplify right side
    618,995.32x = 296,552,396,248.68
  5. Step 5: Solve for x
    x = 296,552,396,248.68/618,995.32
  6. Step 6: Final answer
    x = 479,086.66

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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.