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Finding the Fourth Proportional to 555,406.78, 832,937.94 and 200,374.67

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Solution

The fourth proportional to 555,406.78, 832,937.94 and 200,374.67 is: 300,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,406.78 : 832,937.94 = 200,374.67 : x
  2. Step 2: Convert to fraction form
    555,406.78/832,937.94 = 200,374.67/x
  3. Step 3: Cross multiply
    555,406.78x = 832,937.94 × 200,374.67
  4. Step 4: Simplify right side
    555,406.78x = 166,899,660,693.29
  5. Step 5: Solve for x
    x = 166,899,660,693.29/555,406.78
  6. Step 6: Final answer
    x = 300,499.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.