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Finding the Fourth Proportional to 225,008.88, 310,310.91 and 186,707.49

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Solution

The fourth proportional to 225,008.88, 310,310.91 and 186,707.49 is: 257,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,008.88 : 310,310.91 = 186,707.49 : x
  2. Step 2: Convert to fraction form
    225,008.88/310,310.91 = 186,707.49/x
  3. Step 3: Cross multiply
    225,008.88x = 310,310.91 × 186,707.49
  4. Step 4: Simplify right side
    225,008.88x = 57,937,371,125.72
  5. Step 5: Solve for x
    x = 57,937,371,125.72/225,008.88
  6. Step 6: Final answer
    x = 257,489.26

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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.