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Finding the Fourth Proportional to 365,084.64, 503,955.36 and 274,703.34

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Solution

The fourth proportional to 365,084.64, 503,955.36 and 274,703.34 is: 379,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,084.64 : 503,955.36 = 274,703.34 : x
  2. Step 2: Convert to fraction form
    365,084.64/503,955.36 = 274,703.34/x
  3. Step 3: Cross multiply
    365,084.64x = 503,955.36 × 274,703.34
  4. Step 4: Simplify right side
    365,084.64x = 138,438,220,602.90
  5. Step 5: Solve for x
    x = 138,438,220,602.90/365,084.64
  6. Step 6: Final answer
    x = 379,194.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.