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Finding the Fourth Proportional to 936,826, 1,292,995.02 and 534,418

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Solution

The fourth proportional to 936,826, 1,292,995.02 and 534,418 is: 737,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,826 : 1,292,995.02 = 534,418 : x
  2. Step 2: Convert to fraction form
    936,826/1,292,995.02 = 534,418/x
  3. Step 3: Cross multiply
    936,826x = 1,292,995.02 × 534,418
  4. Step 4: Simplify right side
    936,826x = 690,999,812,598.36
  5. Step 5: Solve for x
    x = 690,999,812,598.36/936,826
  6. Step 6: Final answer
    x = 737,596.75

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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.