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Finding the Fourth Proportional to 541,813.32, 747,669.51 and 300,081.42

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Solution

The fourth proportional to 541,813.32, 747,669.51 and 300,081.42 is: 414,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,813.32 : 747,669.51 = 300,081.42 : x
  2. Step 2: Convert to fraction form
    541,813.32/747,669.51 = 300,081.42/x
  3. Step 3: Cross multiply
    541,813.32x = 747,669.51 × 300,081.42
  4. Step 4: Simplify right side
    541,813.32x = 224,361,728,251.50
  5. Step 5: Solve for x
    x = 224,361,728,251.50/541,813.32
  6. Step 6: Final answer
    x = 414,094.15

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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.