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Finding the Fourth Proportional to 1,347,445, 1,859,477.70 and 743,833

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Solution

The fourth proportional to 1,347,445, 1,859,477.70 and 743,833 is: 1,026,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,445 : 1,859,477.70 = 743,833 : x
  2. Step 2: Convert to fraction form
    1,347,445/1,859,477.70 = 743,833/x
  3. Step 3: Cross multiply
    1,347,445x = 1,859,477.70 × 743,833
  4. Step 4: Simplify right side
    1,347,445x = 1,383,140,876,024.10
  5. Step 5: Solve for x
    x = 1,383,140,876,024.10/1,347,445
  6. Step 6: Final answer
    x = 1,026,491.53

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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.