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Finding the Fourth Proportional to 555,392.68, 832,888.14 and 200,311.36

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Solution

The fourth proportional to 555,392.68, 832,888.14 and 200,311.36 is: 300,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,392.68 : 832,888.14 = 200,311.36 : x
  2. Step 2: Convert to fraction form
    555,392.68/832,888.14 = 200,311.36/x
  3. Step 3: Cross multiply
    555,392.68x = 832,888.14 × 200,311.36
  4. Step 4: Simplify right side
    555,392.68x = 166,836,956,051.27
  5. Step 5: Solve for x
    x = 166,836,956,051.27/555,392.68
  6. Step 6: Final answer
    x = 300,394.59

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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.