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Finding the Fourth Proportional to 499,738.01, 749,607.03 and 144,752.15

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Solution

The fourth proportional to 499,738.01, 749,607.03 and 144,752.15 is: 217,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,738.01 : 749,607.03 = 144,752.15 : x
  2. Step 2: Convert to fraction form
    499,738.01/749,607.03 = 144,752.15/x
  3. Step 3: Cross multiply
    499,738.01x = 749,607.03 × 144,752.15
  4. Step 4: Simplify right side
    499,738.01x = 108,507,229,247.62
  5. Step 5: Solve for x
    x = 108,507,229,247.62/499,738.01
  6. Step 6: Final answer
    x = 217,128.23

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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.