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Finding the Fourth Proportional to 376,265.55, 519,246.46 and 225,362.55

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Solution

The fourth proportional to 376,265.55, 519,246.46 and 225,362.55 is: 311,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,265.55 : 519,246.46 = 225,362.55 : x
  2. Step 2: Convert to fraction form
    376,265.55/519,246.46 = 225,362.55/x
  3. Step 3: Cross multiply
    376,265.55x = 519,246.46 × 225,362.55
  4. Step 4: Simplify right side
    376,265.55x = 117,018,706,304.07
  5. Step 5: Solve for x
    x = 117,018,706,304.07/376,265.55
  6. Step 6: Final answer
    x = 311,000.32

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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.