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Finding the Fourth Proportional to 499,419.08, 749,150.49 and 144,468.98

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Solution

The fourth proportional to 499,419.08, 749,150.49 and 144,468.98 is: 216,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,419.08 : 749,150.49 = 144,468.98 : x
  2. Step 2: Convert to fraction form
    499,419.08/749,150.49 = 144,468.98/x
  3. Step 3: Cross multiply
    499,419.08x = 749,150.49 × 144,468.98
  4. Step 4: Simplify right side
    499,419.08x = 108,229,007,156.80
  5. Step 5: Solve for x
    x = 108,229,007,156.80/499,419.08
  6. Step 6: Final answer
    x = 216,709.80

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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.