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Finding the Fourth Proportional to 533,059.18, 735,610.21 and 300,484.49

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Solution

The fourth proportional to 533,059.18, 735,610.21 and 300,484.49 is: 414,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,059.18 : 735,610.21 = 300,484.49 : x
  2. Step 2: Convert to fraction form
    533,059.18/735,610.21 = 300,484.49/x
  3. Step 3: Cross multiply
    533,059.18x = 735,610.21 × 300,484.49
  4. Step 4: Simplify right side
    533,059.18x = 221,039,454,361.38
  5. Step 5: Solve for x
    x = 221,039,454,361.38/533,059.18
  6. Step 6: Final answer
    x = 414,662.13

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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.