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Finding the Fourth Proportional to 603,140.20, 903,932.70 and 462,200.20

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Solution

The fourth proportional to 603,140.20, 903,932.70 and 462,200.20 is: 692,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,140.20 : 903,932.70 = 462,200.20 : x
  2. Step 2: Convert to fraction form
    603,140.20/903,932.70 = 462,200.20/x
  3. Step 3: Cross multiply
    603,140.20x = 903,932.70 × 462,200.20
  4. Step 4: Simplify right side
    603,140.20x = 417,797,874,726.54
  5. Step 5: Solve for x
    x = 417,797,874,726.54/603,140.20
  6. Step 6: Final answer
    x = 692,704.41

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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.