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Finding the Fourth Proportional to 376,458.50, 519,513.14 and 223,527.23

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Solution

The fourth proportional to 376,458.50, 519,513.14 and 223,527.23 is: 308,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,458.50 : 519,513.14 = 223,527.23 : x
  2. Step 2: Convert to fraction form
    376,458.50/519,513.14 = 223,527.23/x
  3. Step 3: Cross multiply
    376,458.50x = 519,513.14 × 223,527.23
  4. Step 4: Simplify right side
    376,458.50x = 116,125,333,819.42
  5. Step 5: Solve for x
    x = 116,125,333,819.42/376,458.50
  6. Step 6: Final answer
    x = 308,467.82

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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.