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Finding the Fourth Proportional to 293,458.58, 440,282.34 and 133,591.71

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Solution

The fourth proportional to 293,458.58, 440,282.34 and 133,591.71 is: 200,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,458.58 : 440,282.34 = 133,591.71 : x
  2. Step 2: Convert to fraction form
    293,458.58/440,282.34 = 133,591.71/x
  3. Step 3: Cross multiply
    293,458.58x = 440,282.34 × 133,591.71
  4. Step 4: Simplify right side
    293,458.58x = 58,818,070,683.40
  5. Step 5: Solve for x
    x = 58,818,070,683.40/293,458.58
  6. Step 6: Final answer
    x = 200,430.57

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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.