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Finding the Fourth Proportional to 643,925.71, 965,887.75 and 244,565.74

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Solution

The fourth proportional to 643,925.71, 965,887.75 and 244,565.74 is: 366,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,925.71 : 965,887.75 = 244,565.74 : x
  2. Step 2: Convert to fraction form
    643,925.71/965,887.75 = 244,565.74/x
  3. Step 3: Cross multiply
    643,925.71x = 965,887.75 × 244,565.74
  4. Step 4: Simplify right side
    643,925.71x = 236,223,052,335.69
  5. Step 5: Solve for x
    x = 236,223,052,335.69/643,925.71
  6. Step 6: Final answer
    x = 366,848.30

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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.