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Finding the Fourth Proportional to 384,337,079.40, 576,505,619.10 and 366,480,661.80

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Solution

The fourth proportional to 384,337,079.40, 576,505,619.10 and 366,480,661.80 is: 549,720,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,337,079.40 : 576,505,619.10 = 366,480,661.80 : x
  2. Step 2: Convert to fraction form
    384,337,079.40/576,505,619.10 = 366,480,661.80/x
  3. Step 3: Cross multiply
    384,337,079.40x = 576,505,619.10 × 366,480,661.80
  4. Step 4: Simplify right side
    384,337,079.40x = 211,278,160,819,186,720
  5. Step 5: Solve for x
    x = 211,278,160,819,186,720/384,337,079.40
  6. Step 6: Final answer
    x = 549,720,992.70

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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.