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Finding the Fourth Proportional to 598,520.40, 897,780.60 and 266,096.40

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Solution

The fourth proportional to 598,520.40, 897,780.60 and 266,096.40 is: 399,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,520.40 : 897,780.60 = 266,096.40 : x
  2. Step 2: Convert to fraction form
    598,520.40/897,780.60 = 266,096.40/x
  3. Step 3: Cross multiply
    598,520.40x = 897,780.60 × 266,096.40
  4. Step 4: Simplify right side
    598,520.40x = 238,896,185,649.84
  5. Step 5: Solve for x
    x = 238,896,185,649.84/598,520.40
  6. Step 6: Final answer
    x = 399,144.60

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Similar ratio
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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.