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Finding the Fourth Proportional to 612,576,458.60, 918,906,558.21 and 175,843,559.21

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Solution

The fourth proportional to 612,576,458.60, 918,906,558.21 and 175,843,559.21 is: 263,777,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,576,458.60 : 918,906,558.21 = 175,843,559.21 : x
  2. Step 2: Convert to fraction form
    612,576,458.60/918,906,558.21 = 175,843,559.21/x
  3. Step 3: Cross multiply
    612,576,458.60x = 918,906,558.21 × 175,843,559.21
  4. Step 4: Simplify right side
    612,576,458.60x = 161,583,799,772,462,944
  5. Step 5: Solve for x
    x = 161,583,799,772,462,944/612,576,458.60
  6. Step 6: Final answer
    x = 263,777,357.92

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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.