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Finding the Fourth Proportional to 619,672.68, 849,578.49 and 608,475.24

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Solution

The fourth proportional to 619,672.68, 849,578.49 and 608,475.24 is: 834,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,672.68 : 849,578.49 = 608,475.24 : x
  2. Step 2: Convert to fraction form
    619,672.68/849,578.49 = 608,475.24/x
  3. Step 3: Cross multiply
    619,672.68x = 849,578.49 × 608,475.24
  4. Step 4: Simplify right side
    619,672.68x = 516,947,475,601.59
  5. Step 5: Solve for x
    x = 516,947,475,601.59/619,672.68
  6. Step 6: Final answer
    x = 834,226.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.