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Finding the Fourth Proportional to 355,844, 491,065.08 and 204,941.36

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Solution

The fourth proportional to 355,844, 491,065.08 and 204,941.36 is: 282,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,844 : 491,065.08 = 204,941.36 : x
  2. Step 2: Convert to fraction form
    355,844/491,065.08 = 204,941.36/x
  3. Step 3: Cross multiply
    355,844x = 491,065.08 × 204,941.36
  4. Step 4: Simplify right side
    355,844x = 100,639,545,343.71
  5. Step 5: Solve for x
    x = 100,639,545,343.71/355,844
  6. Step 6: Final answer
    x = 282,819.28

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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.