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Finding the Fourth Proportional to 336,355.20, 463,190.40 and 272,203.20

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Solution

The fourth proportional to 336,355.20, 463,190.40 and 272,203.20 is: 374,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,355.20 : 463,190.40 = 272,203.20 : x
  2. Step 2: Convert to fraction form
    336,355.20/463,190.40 = 272,203.20/x
  3. Step 3: Cross multiply
    336,355.20x = 463,190.40 × 272,203.20
  4. Step 4: Simplify right side
    336,355.20x = 126,081,909,089.28
  5. Step 5: Solve for x
    x = 126,081,909,089.28/336,355.20
  6. Step 6: Final answer
    x = 374,847.51

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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.