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Finding the Fourth Proportional to 348,188.13, 480,709.32 and 227,531.34

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Solution

The fourth proportional to 348,188.13, 480,709.32 and 227,531.34 is: 314,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,188.13 : 480,709.32 = 227,531.34 : x
  2. Step 2: Convert to fraction form
    348,188.13/480,709.32 = 227,531.34/x
  3. Step 3: Cross multiply
    348,188.13x = 480,709.32 × 227,531.34
  4. Step 4: Simplify right side
    348,188.13x = 109,376,435,730.09
  5. Step 5: Solve for x
    x = 109,376,435,730.09/348,188.13
  6. Step 6: Final answer
    x = 314,130.28

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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.