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Finding the Fourth Proportional to 333,455.26, 500,276.55 and 133,915.76

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Solution

The fourth proportional to 333,455.26, 500,276.55 and 133,915.76 is: 200,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,455.26 : 500,276.55 = 133,915.76 : x
  2. Step 2: Convert to fraction form
    333,455.26/500,276.55 = 133,915.76/x
  3. Step 3: Cross multiply
    333,455.26x = 500,276.55 × 133,915.76
  4. Step 4: Simplify right side
    333,455.26x = 66,994,914,403.43
  5. Step 5: Solve for x
    x = 66,994,914,403.43/333,455.26
  6. Step 6: Final answer
    x = 200,911.25

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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.