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Finding the Fourth Proportional to 316,267.66, 436,715.31 and 225,900.82

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Solution

The fourth proportional to 316,267.66, 436,715.31 and 225,900.82 is: 311,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,267.66 : 436,715.31 = 225,900.82 : x
  2. Step 2: Convert to fraction form
    316,267.66/436,715.31 = 225,900.82/x
  3. Step 3: Cross multiply
    316,267.66x = 436,715.31 × 225,900.82
  4. Step 4: Simplify right side
    316,267.66x = 98,654,346,635.55
  5. Step 5: Solve for x
    x = 98,654,346,635.55/316,267.66
  6. Step 6: Final answer
    x = 311,933.08

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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.