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Finding the Fourth Proportional to 440,373.06, 660,559.59 and 174,258.90

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Solution

The fourth proportional to 440,373.06, 660,559.59 and 174,258.90 is: 261,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,373.06 : 660,559.59 = 174,258.90 : x
  2. Step 2: Convert to fraction form
    440,373.06/660,559.59 = 174,258.90/x
  3. Step 3: Cross multiply
    440,373.06x = 660,559.59 × 174,258.90
  4. Step 4: Simplify right side
    440,373.06x = 115,108,387,537.85
  5. Step 5: Solve for x
    x = 115,108,387,537.85/440,373.06
  6. Step 6: Final answer
    x = 261,388.35

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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.