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Finding the Fourth Proportional to 440,363.10, 660,602.10 and 124,828.26

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Solution

The fourth proportional to 440,363.10, 660,602.10 and 124,828.26 is: 187,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,363.10 : 660,602.10 = 124,828.26 : x
  2. Step 2: Convert to fraction form
    440,363.10/660,602.10 = 124,828.26/x
  3. Step 3: Cross multiply
    440,363.10x = 660,602.10 × 124,828.26
  4. Step 4: Simplify right side
    440,363.10x = 82,461,810,695.35
  5. Step 5: Solve for x
    x = 82,461,810,695.35/440,363.10
  6. Step 6: Final answer
    x = 187,258.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.