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Finding the Fourth Proportional to 284,588.58, 392,786.64 and 187,622.22

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Solution

The fourth proportional to 284,588.58, 392,786.64 and 187,622.22 is: 258,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,588.58 : 392,786.64 = 187,622.22 : x
  2. Step 2: Convert to fraction form
    284,588.58/392,786.64 = 187,622.22/x
  3. Step 3: Cross multiply
    284,588.58x = 392,786.64 × 187,622.22
  4. Step 4: Simplify right side
    284,588.58x = 73,695,501,383.14
  5. Step 5: Solve for x
    x = 73,695,501,383.14/284,588.58
  6. Step 6: Final answer
    x = 258,954.53

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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.