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Finding the Fourth Proportional to 316,057.84, 436,124.10 and 187,000.27

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Solution

The fourth proportional to 316,057.84, 436,124.10 and 187,000.27 is: 258,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,057.84 : 436,124.10 = 187,000.27 : x
  2. Step 2: Convert to fraction form
    316,057.84/436,124.10 = 187,000.27/x
  3. Step 3: Cross multiply
    316,057.84x = 436,124.10 × 187,000.27
  4. Step 4: Simplify right side
    316,057.84x = 81,555,324,453.51
  5. Step 5: Solve for x
    x = 81,555,324,453.51/316,057.84
  6. Step 6: Final answer
    x = 258,039.24

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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.