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Finding the Fourth Proportional to 377,143.58, 520,476.82 and 233,949.74

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Solution

The fourth proportional to 377,143.58, 520,476.82 and 233,949.74 is: 322,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,143.58 : 520,476.82 = 233,949.74 : x
  2. Step 2: Convert to fraction form
    377,143.58/520,476.82 = 233,949.74/x
  3. Step 3: Cross multiply
    377,143.58x = 520,476.82 × 233,949.74
  4. Step 4: Simplify right side
    377,143.58x = 121,765,416,715.03
  5. Step 5: Solve for x
    x = 121,765,416,715.03/377,143.58
  6. Step 6: Final answer
    x = 322,862.23

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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.