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Finding the Fourth Proportional to 293,215.92, 439,832.08 and 103,649.50

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Solution

The fourth proportional to 293,215.92, 439,832.08 and 103,649.50 is: 155,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,215.92 : 439,832.08 = 103,649.50 : x
  2. Step 2: Convert to fraction form
    293,215.92/439,832.08 = 103,649.50/x
  3. Step 3: Cross multiply
    293,215.92x = 439,832.08 × 103,649.50
  4. Step 4: Simplify right side
    293,215.92x = 45,588,375,175.96
  5. Step 5: Solve for x
    x = 45,588,375,175.96/293,215.92
  6. Step 6: Final answer
    x = 155,477.15

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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.