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Finding the Fourth Proportional to 307,960.20, 462,002.70 and 174,904.20

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Solution

The fourth proportional to 307,960.20, 462,002.70 and 174,904.20 is: 262,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,960.20 : 462,002.70 = 174,904.20 : x
  2. Step 2: Convert to fraction form
    307,960.20/462,002.70 = 174,904.20/x
  3. Step 3: Cross multiply
    307,960.20x = 462,002.70 × 174,904.20
  4. Step 4: Simplify right side
    307,960.20x = 80,806,212,641.34
  5. Step 5: Solve for x
    x = 80,806,212,641.34/307,960.20
  6. Step 6: Final answer
    x = 262,391.74

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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.