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Finding the Fourth Proportional to 280,201.17, 386,560.59 and 183,428.69

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Solution

The fourth proportional to 280,201.17, 386,560.59 and 183,428.69 is: 253,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,201.17 : 386,560.59 = 183,428.69 : x
  2. Step 2: Convert to fraction form
    280,201.17/386,560.59 = 183,428.69/x
  3. Step 3: Cross multiply
    280,201.17x = 386,560.59 × 183,428.69
  4. Step 4: Simplify right side
    280,201.17x = 70,906,302,629.33
  5. Step 5: Solve for x
    x = 70,906,302,629.33/280,201.17
  6. Step 6: Final answer
    x = 253,054.98

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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.