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Finding the Fourth Proportional to 348,192.40, 480,328.66 and 227,404.39

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Solution

The fourth proportional to 348,192.40, 480,328.66 and 227,404.39 is: 313,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,192.40 : 480,328.66 = 227,404.39 : x
  2. Step 2: Convert to fraction form
    348,192.40/480,328.66 = 227,404.39/x
  3. Step 3: Cross multiply
    348,192.40x = 480,328.66 × 227,404.39
  4. Step 4: Simplify right side
    348,192.40x = 109,228,844,726.00
  5. Step 5: Solve for x
    x = 109,228,844,726.00/348,192.40
  6. Step 6: Final answer
    x = 313,702.55

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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.