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Finding the Fourth Proportional to 276,793.79, 382,003.65 and 169,434.77

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Solution

The fourth proportional to 276,793.79, 382,003.65 and 169,434.77 is: 233,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,793.79 : 382,003.65 = 169,434.77 : x
  2. Step 2: Convert to fraction form
    276,793.79/382,003.65 = 169,434.77/x
  3. Step 3: Cross multiply
    276,793.79x = 382,003.65 × 169,434.77
  4. Step 4: Simplify right side
    276,793.79x = 64,724,698,666.89
  5. Step 5: Solve for x
    x = 64,724,698,666.89/276,793.79
  6. Step 6: Final answer
    x = 233,837.25

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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.