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Finding the Fourth Proportional to 336,838.84, 505,280.13 and 112,190.20

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Solution

The fourth proportional to 336,838.84, 505,280.13 and 112,190.20 is: 168,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,838.84 : 505,280.13 = 112,190.20 : x
  2. Step 2: Convert to fraction form
    336,838.84/505,280.13 = 112,190.20/x
  3. Step 3: Cross multiply
    336,838.84x = 505,280.13 × 112,190.20
  4. Step 4: Simplify right side
    336,838.84x = 56,687,478,840.73
  5. Step 5: Solve for x
    x = 56,687,478,840.73/336,838.84
  6. Step 6: Final answer
    x = 168,292.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.