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Finding the Fourth Proportional to 583,665.80, 874,818.30 and 268,154.60

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Solution

The fourth proportional to 583,665.80, 874,818.30 and 268,154.60 is: 401,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,665.80 : 874,818.30 = 268,154.60 : x
  2. Step 2: Convert to fraction form
    583,665.80/874,818.30 = 268,154.60/x
  3. Step 3: Cross multiply
    583,665.80x = 874,818.30 × 268,154.60
  4. Step 4: Simplify right side
    583,665.80x = 234,586,551,309.18
  5. Step 5: Solve for x
    x = 234,586,551,309.18/583,665.80
  6. Step 6: Final answer
    x = 401,919.30

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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.