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Finding the Fourth Proportional to 432,246.30, 648,175.05 and 165,918.30

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Solution

The fourth proportional to 432,246.30, 648,175.05 and 165,918.30 is: 248,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,246.30 : 648,175.05 = 165,918.30 : x
  2. Step 2: Convert to fraction form
    432,246.30/648,175.05 = 165,918.30/x
  3. Step 3: Cross multiply
    432,246.30x = 648,175.05 × 165,918.30
  4. Step 4: Simplify right side
    432,246.30x = 107,544,102,398.42
  5. Step 5: Solve for x
    x = 107,544,102,398.42/432,246.30
  6. Step 6: Final answer
    x = 248,802.83

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1.5x scale

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.