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Finding the Fourth Proportional to 344,212.20, 475,064.12 and 271,448.28

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Solution

The fourth proportional to 344,212.20, 475,064.12 and 271,448.28 is: 374,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,212.20 : 475,064.12 = 271,448.28 : x
  2. Step 2: Convert to fraction form
    344,212.20/475,064.12 = 271,448.28/x
  3. Step 3: Cross multiply
    344,212.20x = 475,064.12 × 271,448.28
  4. Step 4: Simplify right side
    344,212.20x = 128,955,338,263.71
  5. Step 5: Solve for x
    x = 128,955,338,263.71/344,212.20
  6. Step 6: Final answer
    x = 374,639.07

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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.