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Finding the Fourth Proportional to 493,780,644.90, 740,335,044.15 and 235,119,780.90

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Solution

The fourth proportional to 493,780,644.90, 740,335,044.15 and 235,119,780.90 is: 352,519,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,780,644.90 : 740,335,044.15 = 235,119,780.90 : x
  2. Step 2: Convert to fraction form
    493,780,644.90/740,335,044.15 = 235,119,780.90/x
  3. Step 3: Cross multiply
    493,780,644.90x = 740,335,044.15 × 235,119,780.90
  4. Step 4: Simplify right side
    493,780,644.90x = 174,067,413,373,139,840
  5. Step 5: Solve for x
    x = 174,067,413,373,139,840/493,780,644.90
  6. Step 6: Final answer
    x = 352,519,717.35

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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.