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Finding the Fourth Proportional to 1,692,001, 2,335,168.74 and 976,609

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Solution

The fourth proportional to 1,692,001, 2,335,168.74 and 976,609 is: 1,347,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,001 : 2,335,168.74 = 976,609 : x
  2. Step 2: Convert to fraction form
    1,692,001/2,335,168.74 = 976,609/x
  3. Step 3: Cross multiply
    1,692,001x = 2,335,168.74 × 976,609
  4. Step 4: Simplify right side
    1,692,001x = 2,280,546,808,002.66
  5. Step 5: Solve for x
    x = 2,280,546,808,002.66/1,692,001
  6. Step 6: Final answer
    x = 1,347,840.11

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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.