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Finding the Fourth Proportional to 1,347,666.96, 1,859,731.60 and 744,042

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Solution

The fourth proportional to 1,347,666.96, 1,859,731.60 and 744,042 is: 1,026,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,666.96 : 1,859,731.60 = 744,042 : x
  2. Step 2: Convert to fraction form
    1,347,666.96/1,859,731.60 = 744,042/x
  3. Step 3: Cross multiply
    1,347,666.96x = 1,859,731.60 × 744,042
  4. Step 4: Simplify right side
    1,347,666.96x = 1,383,718,419,127.20
  5. Step 5: Solve for x
    x = 1,383,718,419,127.20/1,347,666.96
  6. Step 6: Final answer
    x = 1,026,751.02

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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.