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Finding the Fourth Proportional to 533,270.97, 735,906.11 and 291,554.49

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Solution

The fourth proportional to 533,270.97, 735,906.11 and 291,554.49 is: 402,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,270.97 : 735,906.11 = 291,554.49 : x
  2. Step 2: Convert to fraction form
    533,270.97/735,906.11 = 291,554.49/x
  3. Step 3: Cross multiply
    533,270.97x = 735,906.11 × 291,554.49
  4. Step 4: Simplify right side
    533,270.97x = 214,556,729,131.16
  5. Step 5: Solve for x
    x = 214,556,729,131.16/533,270.97
  6. Step 6: Final answer
    x = 402,340.91

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Double scale
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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.