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Finding the Fourth Proportional to 542,284,950.35, 748,435,034.19 and 330,714,523.88

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Solution

The fourth proportional to 542,284,950.35, 748,435,034.19 and 330,714,523.88 is: 456,435,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,950.35 : 748,435,034.19 = 330,714,523.88 : x
  2. Step 2: Convert to fraction form
    542,284,950.35/748,435,034.19 = 330,714,523.88/x
  3. Step 3: Cross multiply
    542,284,950.35x = 748,435,034.19 × 330,714,523.88
  4. Step 4: Simplify right side
    542,284,950.35x = 247,518,335,983,515,200
  5. Step 5: Solve for x
    x = 247,518,335,983,515,200/542,284,950.35
  6. Step 6: Final answer
    x = 456,435,930.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.