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Finding the Fourth Proportional to 555,412.24, 832,946.16 and 200,380.12

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Solution

The fourth proportional to 555,412.24, 832,946.16 and 200,380.12 is: 300,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,412.24 : 832,946.16 = 200,380.12 : x
  2. Step 2: Convert to fraction form
    555,412.24/832,946.16 = 200,380.12/x
  3. Step 3: Cross multiply
    555,412.24x = 832,946.16 × 200,380.12
  4. Step 4: Simplify right side
    555,412.24x = 166,905,851,494.34
  5. Step 5: Solve for x
    x = 166,905,851,494.34/555,412.24
  6. Step 6: Final answer
    x = 300,508.05

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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.