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Finding the Fourth Proportional to 542,234.42, 748,289.04 and 300,522.32

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Solution

The fourth proportional to 542,234.42, 748,289.04 and 300,522.32 is: 414,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,234.42 : 748,289.04 = 300,522.32 : x
  2. Step 2: Convert to fraction form
    542,234.42/748,289.04 = 300,522.32/x
  3. Step 3: Cross multiply
    542,234.42x = 748,289.04 × 300,522.32
  4. Step 4: Simplify right side
    542,234.42x = 224,877,558,331.37
  5. Step 5: Solve for x
    x = 224,877,558,331.37/542,234.42
  6. Step 6: Final answer
    x = 414,723.87

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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.