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Finding the Fourth Proportional to 376,500.34, 519,569.40 and 225,597.34

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Solution

The fourth proportional to 376,500.34, 519,569.40 and 225,597.34 is: 311,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,500.34 : 519,569.40 = 225,597.34 : x
  2. Step 2: Convert to fraction form
    376,500.34/519,569.40 = 225,597.34/x
  3. Step 3: Cross multiply
    376,500.34x = 519,569.40 × 225,597.34
  4. Step 4: Simplify right side
    376,500.34x = 117,213,474,585.40
  5. Step 5: Solve for x
    x = 117,213,474,585.40/376,500.34
  6. Step 6: Final answer
    x = 311,323.69

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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.