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Finding the Fourth Proportional to 253,000.80, 379,792.80 and 153,273.60

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Solution

The fourth proportional to 253,000.80, 379,792.80 and 153,273.60 is: 230,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,000.80 : 379,792.80 = 153,273.60 : x
  2. Step 2: Convert to fraction form
    253,000.80/379,792.80 = 153,273.60/x
  3. Step 3: Cross multiply
    253,000.80x = 379,792.80 × 153,273.60
  4. Step 4: Simplify right side
    253,000.80x = 58,212,209,710.08
  5. Step 5: Solve for x
    x = 58,212,209,710.08/253,000.80
  6. Step 6: Final answer
    x = 230,087.06

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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.