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Finding the Fourth Proportional to 442,669.66, 664,003.88 and 176,617.01

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Solution

The fourth proportional to 442,669.66, 664,003.88 and 176,617.01 is: 264,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,669.66 : 664,003.88 = 176,617.01 : x
  2. Step 2: Convert to fraction form
    442,669.66/664,003.88 = 176,617.01/x
  3. Step 3: Cross multiply
    442,669.66x = 664,003.88 × 176,617.01
  4. Step 4: Simplify right side
    442,669.66x = 117,274,377,618.22
  5. Step 5: Solve for x
    x = 117,274,377,618.22/442,669.66
  6. Step 6: Final answer
    x = 264,925.27

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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.