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Finding the Fourth Proportional to 419,772,226.95, 579,287,675.95 and 231,600,508.92

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Solution

The fourth proportional to 419,772,226.95, 579,287,675.95 and 231,600,508.92 is: 319,609,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,772,226.95 : 579,287,675.95 = 231,600,508.92 : x
  2. Step 2: Convert to fraction form
    419,772,226.95/579,287,675.95 = 231,600,508.92/x
  3. Step 3: Cross multiply
    419,772,226.95x = 579,287,675.95 × 231,600,508.92
  4. Step 4: Simplify right side
    419,772,226.95x = 134,163,320,560,525,040
  5. Step 5: Solve for x
    x = 134,163,320,560,525,040/419,772,226.95
  6. Step 6: Final answer
    x = 319,609,807.29

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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.