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Finding the Fourth Proportional to 400,967.10, 601,612.65 and 176,370.30

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Solution

The fourth proportional to 400,967.10, 601,612.65 and 176,370.30 is: 264,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,967.10 : 601,612.65 = 176,370.30 : x
  2. Step 2: Convert to fraction form
    400,967.10/601,612.65 = 176,370.30/x
  3. Step 3: Cross multiply
    400,967.10x = 601,612.65 × 176,370.30
  4. Step 4: Simplify right side
    400,967.10x = 106,106,603,564.30
  5. Step 5: Solve for x
    x = 106,106,603,564.30/400,967.10
  6. Step 6: Final answer
    x = 264,626.71

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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.