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Finding the Fourth Proportional to 293,895, 405,134.28 and 230,122.08

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Solution

The fourth proportional to 293,895, 405,134.28 and 230,122.08 is: 317,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,895 : 405,134.28 = 230,122.08 : x
  2. Step 2: Convert to fraction form
    293,895/405,134.28 = 230,122.08/x
  3. Step 3: Cross multiply
    293,895x = 405,134.28 × 230,122.08
  4. Step 4: Simplify right side
    293,895x = 93,230,343,192.90
  5. Step 5: Solve for x
    x = 93,230,343,192.90/293,895
  6. Step 6: Final answer
    x = 317,223.30

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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.