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Finding the Fourth Proportional to 566,309.43, 781,660.54 and 333,939.31

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Solution

The fourth proportional to 566,309.43, 781,660.54 and 333,939.31 is: 460,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,309.43 : 781,660.54 = 333,939.31 : x
  2. Step 2: Convert to fraction form
    566,309.43/781,660.54 = 333,939.31/x
  3. Step 3: Cross multiply
    566,309.43x = 781,660.54 × 333,939.31
  4. Step 4: Simplify right side
    566,309.43x = 261,027,178,592.83
  5. Step 5: Solve for x
    x = 261,027,178,592.83/566,309.43
  6. Step 6: Final answer
    x = 460,926.77

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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.