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Finding the Fourth Proportional to 541,764.12, 747,612.54 and 300,032.31

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Solution

The fourth proportional to 541,764.12, 747,612.54 and 300,032.31 is: 414,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,764.12 : 747,612.54 = 300,032.31 : x
  2. Step 2: Convert to fraction form
    541,764.12/747,612.54 = 300,032.31/x
  3. Step 3: Cross multiply
    541,764.12x = 747,612.54 × 300,032.31
  4. Step 4: Simplify right side
    541,764.12x = 224,307,917,361.17
  5. Step 5: Solve for x
    x = 224,307,917,361.17/541,764.12
  6. Step 6: Final answer
    x = 414,032.43

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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.