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Finding the Fourth Proportional to 348,612.68, 480,827.64 and 226,135.22

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Solution

The fourth proportional to 348,612.68, 480,827.64 and 226,135.22 is: 311,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,612.68 : 480,827.64 = 226,135.22 : x
  2. Step 2: Convert to fraction form
    348,612.68/480,827.64 = 226,135.22/x
  3. Step 3: Cross multiply
    348,612.68x = 480,827.64 × 226,135.22
  4. Step 4: Simplify right side
    348,612.68x = 108,732,064,153.48
  5. Step 5: Solve for x
    x = 108,732,064,153.48/348,612.68
  6. Step 6: Final answer
    x = 311,899.34

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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.