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Finding the Fourth Proportional to 504,915.38, 696,844.49 and 368,881.25

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Solution

The fourth proportional to 504,915.38, 696,844.49 and 368,881.25 is: 509,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,915.38 : 696,844.49 = 368,881.25 : x
  2. Step 2: Convert to fraction form
    504,915.38/696,844.49 = 368,881.25/x
  3. Step 3: Cross multiply
    504,915.38x = 696,844.49 × 368,881.25
  4. Step 4: Simplify right side
    504,915.38x = 257,052,861,198.18
  5. Step 5: Solve for x
    x = 257,052,861,198.18/504,915.38
  6. Step 6: Final answer
    x = 509,100.88

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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.