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Finding the Fourth Proportional to 376,922.54, 520,154.80 and 207,167.60

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Solution

The fourth proportional to 376,922.54, 520,154.80 and 207,167.60 is: 285,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,922.54 : 520,154.80 = 207,167.60 : x
  2. Step 2: Convert to fraction form
    376,922.54/520,154.80 = 207,167.60/x
  3. Step 3: Cross multiply
    376,922.54x = 520,154.80 × 207,167.60
  4. Step 4: Simplify right side
    376,922.54x = 107,759,221,544.48
  5. Step 5: Solve for x
    x = 107,759,221,544.48/376,922.54
  6. Step 6: Final answer
    x = 285,892.22

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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.