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Finding the Fourth Proportional to 1,347,960, 1,860,186.42 and 744,348

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Solution

The fourth proportional to 1,347,960, 1,860,186.42 and 744,348 is: 1,027,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,960 : 1,860,186.42 = 744,348 : x
  2. Step 2: Convert to fraction form
    1,347,960/1,860,186.42 = 744,348/x
  3. Step 3: Cross multiply
    1,347,960x = 1,860,186.42 × 744,348
  4. Step 4: Simplify right side
    1,347,960x = 1,384,626,041,354.16
  5. Step 5: Solve for x
    x = 1,384,626,041,354.16/1,347,960
  6. Step 6: Final answer
    x = 1,027,201.13

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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.