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Finding the Fourth Proportional to 600,639.40, 900,693.42 and 179,836.84

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Solution

The fourth proportional to 600,639.40, 900,693.42 and 179,836.84 is: 269,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,639.40 : 900,693.42 = 179,836.84 : x
  2. Step 2: Convert to fraction form
    600,639.40/900,693.42 = 179,836.84/x
  3. Step 3: Cross multiply
    600,639.40x = 900,693.42 × 179,836.84
  4. Step 4: Simplify right side
    600,639.40x = 161,977,858,461.59
  5. Step 5: Solve for x
    x = 161,977,858,461.59/600,639.40
  6. Step 6: Final answer
    x = 269,675.71

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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.