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Finding the Fourth Proportional to 313,262.26, 432,302.33 and 170,022.32

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Solution

The fourth proportional to 313,262.26, 432,302.33 and 170,022.32 is: 234,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,262.26 : 432,302.33 = 170,022.32 : x
  2. Step 2: Convert to fraction form
    313,262.26/432,302.33 = 170,022.32/x
  3. Step 3: Cross multiply
    313,262.26x = 432,302.33 × 170,022.32
  4. Step 4: Simplify right side
    313,262.26x = 73,501,044,972.68
  5. Step 5: Solve for x
    x = 73,501,044,972.68/313,262.26
  6. Step 6: Final answer
    x = 234,631.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.