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Finding the Fourth Proportional to 290,038.33, 400,163.17 and 169,094.04

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Solution

The fourth proportional to 290,038.33, 400,163.17 and 169,094.04 is: 233,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,038.33 : 400,163.17 = 169,094.04 : x
  2. Step 2: Convert to fraction form
    290,038.33/400,163.17 = 169,094.04/x
  3. Step 3: Cross multiply
    290,038.33x = 400,163.17 × 169,094.04
  4. Step 4: Simplify right side
    290,038.33x = 67,665,207,074.51
  5. Step 5: Solve for x
    x = 67,665,207,074.51/290,038.33
  6. Step 6: Final answer
    x = 233,297.46

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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.