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Finding the Fourth Proportional to 541,553.33, 747,355.19 and 296,548.51

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Solution

The fourth proportional to 541,553.33, 747,355.19 and 296,548.51 is: 409,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,553.33 : 747,355.19 = 296,548.51 : x
  2. Step 2: Convert to fraction form
    541,553.33/747,355.19 = 296,548.51/x
  3. Step 3: Cross multiply
    541,553.33x = 747,355.19 × 296,548.51
  4. Step 4: Simplify right side
    541,553.33x = 221,627,065,851.67
  5. Step 5: Solve for x
    x = 221,627,065,851.67/541,553.33
  6. Step 6: Final answer
    x = 409,243.29

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Double scale
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Similar ratio
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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.