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Finding the Fourth Proportional to 1,968,466.50, 2,716,483.77 and 1,063,048.50

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Solution

The fourth proportional to 1,968,466.50, 2,716,483.77 and 1,063,048.50 is: 1,467,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,466.50 : 2,716,483.77 = 1,063,048.50 : x
  2. Step 2: Convert to fraction form
    1,968,466.50/2,716,483.77 = 1,063,048.50/x
  3. Step 3: Cross multiply
    1,968,466.50x = 2,716,483.77 × 1,063,048.50
  4. Step 4: Simplify right side
    1,968,466.50x = 2,887,753,996,972.85
  5. Step 5: Solve for x
    x = 2,887,753,996,972.85/1,968,466.50
  6. Step 6: Final answer
    x = 1,467,006.93

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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.