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Finding the Fourth Proportional to 326,056.32, 488,983.44 and 157,471.84

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Solution

The fourth proportional to 326,056.32, 488,983.44 and 157,471.84 is: 236,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,056.32 : 488,983.44 = 157,471.84 : x
  2. Step 2: Convert to fraction form
    326,056.32/488,983.44 = 157,471.84/x
  3. Step 3: Cross multiply
    326,056.32x = 488,983.44 × 157,471.84
  4. Step 4: Simplify right side
    326,056.32x = 77,001,122,026.33
  5. Step 5: Solve for x
    x = 77,001,122,026.33/326,056.32
  6. Step 6: Final answer
    x = 236,158.96

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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.