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Finding the Fourth Proportional to 346,806.80, 519,864.60 and 159,491.60

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Solution

The fourth proportional to 346,806.80, 519,864.60 and 159,491.60 is: 239,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,806.80 : 519,864.60 = 159,491.60 : x
  2. Step 2: Convert to fraction form
    346,806.80/519,864.60 = 159,491.60/x
  3. Step 3: Cross multiply
    346,806.80x = 519,864.60 × 159,491.60
  4. Step 4: Simplify right side
    346,806.80x = 82,914,036,837.36
  5. Step 5: Solve for x
    x = 82,914,036,837.36/346,806.80
  6. Step 6: Final answer
    x = 239,078.46

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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.