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Finding the Fourth Proportional to 620,017.04, 927,608.36 and 543,508.20

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Solution

The fourth proportional to 620,017.04, 927,608.36 and 543,508.20 is: 813,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,017.04 : 927,608.36 = 543,508.20 : x
  2. Step 2: Convert to fraction form
    620,017.04/927,608.36 = 543,508.20/x
  3. Step 3: Cross multiply
    620,017.04x = 927,608.36 × 543,508.20
  4. Step 4: Simplify right side
    620,017.04x = 504,162,750,048.55
  5. Step 5: Solve for x
    x = 504,162,750,048.55/620,017.04
  6. Step 6: Final answer
    x = 813,143.38

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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.