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Finding the Fourth Proportional to 555,411.24, 832,944.66 and 200,379.12

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Solution

The fourth proportional to 555,411.24, 832,944.66 and 200,379.12 is: 300,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,411.24 : 832,944.66 = 200,379.12 : x
  2. Step 2: Convert to fraction form
    555,411.24/832,944.66 = 200,379.12/x
  3. Step 3: Cross multiply
    555,411.24x = 832,944.66 × 200,379.12
  4. Step 4: Simplify right side
    555,411.24x = 166,904,717,979.50
  5. Step 5: Solve for x
    x = 166,904,717,979.50/555,411.24
  6. Step 6: Final answer
    x = 300,506.55

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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.