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Finding the Fourth Proportional to 333,277.78, 500,084.34 and 133,740.76

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Solution

The fourth proportional to 333,277.78, 500,084.34 and 133,740.76 is: 200,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,277.78 : 500,084.34 = 133,740.76 : x
  2. Step 2: Convert to fraction form
    333,277.78/500,084.34 = 133,740.76/x
  3. Step 3: Cross multiply
    333,277.78x = 500,084.34 × 133,740.76
  4. Step 4: Simplify right side
    333,277.78x = 66,881,659,695.70
  5. Step 5: Solve for x
    x = 66,881,659,695.70/333,277.78
  6. Step 6: Final answer
    x = 200,678.42

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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.