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Finding the Fourth Proportional to 348,866.64, 481,498.80 and 205,618.32

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Solution

The fourth proportional to 348,866.64, 481,498.80 and 205,618.32 is: 283,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,866.64 : 481,498.80 = 205,618.32 : x
  2. Step 2: Convert to fraction form
    348,866.64/481,498.80 = 205,618.32/x
  3. Step 3: Cross multiply
    348,866.64x = 481,498.80 × 205,618.32
  4. Step 4: Simplify right side
    348,866.64x = 99,004,974,338.02
  5. Step 5: Solve for x
    x = 99,004,974,338.02/348,866.64
  6. Step 6: Final answer
    x = 283,790.32

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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.