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Finding the Fourth Proportional to 499,418.08, 749,148.99 and 144,467.98

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Solution

The fourth proportional to 499,418.08, 749,148.99 and 144,467.98 is: 216,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,418.08 : 749,148.99 = 144,467.98 : x
  2. Step 2: Convert to fraction form
    499,418.08/749,148.99 = 144,467.98/x
  3. Step 3: Cross multiply
    499,418.08x = 749,148.99 × 144,467.98
  4. Step 4: Simplify right side
    499,418.08x = 108,228,041,304.34
  5. Step 5: Solve for x
    x = 108,228,041,304.34/499,418.08
  6. Step 6: Final answer
    x = 216,708.30

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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.