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Finding the Fourth Proportional to 917,049, 1,265,644.26 and 514,641

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Solution

The fourth proportional to 917,049, 1,265,644.26 and 514,641 is: 710,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,049 : 1,265,644.26 = 514,641 : x
  2. Step 2: Convert to fraction form
    917,049/1,265,644.26 = 514,641/x
  3. Step 3: Cross multiply
    917,049x = 1,265,644.26 × 514,641
  4. Step 4: Simplify right side
    917,049x = 651,352,427,610.66
  5. Step 5: Solve for x
    x = 651,352,427,610.66/917,049
  6. Step 6: Final answer
    x = 710,270.04

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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.