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Finding the Fourth Proportional to 427,026.42, 589,308.84 and 233,444.76

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Solution

The fourth proportional to 427,026.42, 589,308.84 and 233,444.76 is: 322,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,026.42 : 589,308.84 = 233,444.76 : x
  2. Step 2: Convert to fraction form
    427,026.42/589,308.84 = 233,444.76/x
  3. Step 3: Cross multiply
    427,026.42x = 589,308.84 × 233,444.76
  4. Step 4: Simplify right side
    427,026.42x = 137,571,060,719.68
  5. Step 5: Solve for x
    x = 137,571,060,719.68/427,026.42
  6. Step 6: Final answer
    x = 322,160.54

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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.