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Finding the Fourth Proportional to 589,261.60, 884,199.60 and 256,871.20

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Solution

The fourth proportional to 589,261.60, 884,199.60 and 256,871.20 is: 385,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,261.60 : 884,199.60 = 256,871.20 : x
  2. Step 2: Convert to fraction form
    589,261.60/884,199.60 = 256,871.20/x
  3. Step 3: Cross multiply
    589,261.60x = 884,199.60 × 256,871.20
  4. Step 4: Simplify right side
    589,261.60x = 227,125,412,291.52
  5. Step 5: Solve for x
    x = 227,125,412,291.52/589,261.60
  6. Step 6: Final answer
    x = 385,440.71

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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.