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Finding the Fourth Proportional to 440,937.39, 661,436.16 and 174,697.50

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Solution

The fourth proportional to 440,937.39, 661,436.16 and 174,697.50 is: 262,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,937.39 : 661,436.16 = 174,697.50 : x
  2. Step 2: Convert to fraction form
    440,937.39/661,436.16 = 174,697.50/x
  3. Step 3: Cross multiply
    440,937.39x = 661,436.16 × 174,697.50
  4. Step 4: Simplify right side
    440,937.39x = 115,551,243,561.60
  5. Step 5: Solve for x
    x = 115,551,243,561.60/440,937.39
  6. Step 6: Final answer
    x = 262,058.17

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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.