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Finding the Fourth Proportional to 333,188.55, 499,637.03 and 133,442.55

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Solution

The fourth proportional to 333,188.55, 499,637.03 and 133,442.55 is: 200,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,188.55 : 499,637.03 = 133,442.55 : x
  2. Step 2: Convert to fraction form
    333,188.55/499,637.03 = 133,442.55/x
  3. Step 3: Cross multiply
    333,188.55x = 499,637.03 × 133,442.55
  4. Step 4: Simplify right side
    333,188.55x = 66,672,838,690.41
  5. Step 5: Solve for x
    x = 66,672,838,690.41/333,188.55
  6. Step 6: Final answer
    x = 200,105.43

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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.