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Finding the Fourth Proportional to 440,203.52, 607,480.82 and 238,999.52

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Solution

The fourth proportional to 440,203.52, 607,480.82 and 238,999.52 is: 329,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,203.52 : 607,480.82 = 238,999.52 : x
  2. Step 2: Convert to fraction form
    440,203.52/607,480.82 = 238,999.52/x
  3. Step 3: Cross multiply
    440,203.52x = 607,480.82 × 238,999.52
  4. Step 4: Simplify right side
    440,203.52x = 145,187,624,389.21
  5. Step 5: Solve for x
    x = 145,187,624,389.21/440,203.52
  6. Step 6: Final answer
    x = 329,819.32

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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.