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Finding the Fourth Proportional to 4,932,389.22, 7,398,417.06 and 1,737,431.90

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Solution

The fourth proportional to 4,932,389.22, 7,398,417.06 and 1,737,431.90 is: 2,606,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932,389.22 : 7,398,417.06 = 1,737,431.90 : x
  2. Step 2: Convert to fraction form
    4,932,389.22/7,398,417.06 = 1,737,431.90/x
  3. Step 3: Cross multiply
    4,932,389.22x = 7,398,417.06 × 1,737,431.90
  4. Step 4: Simplify right side
    4,932,389.22x = 12,854,245,772,556.13
  5. Step 5: Solve for x
    x = 12,854,245,772,556.13/4,932,389.22
  6. Step 6: Final answer
    x = 2,606,089.10

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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.