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Finding the Fourth Proportional to 926,641, 1,278,755.94 and 524,233

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Solution

The fourth proportional to 926,641, 1,278,755.94 and 524,233 is: 723,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,641 : 1,278,755.94 = 524,233 : x
  2. Step 2: Convert to fraction form
    926,641/1,278,755.94 = 524,233/x
  3. Step 3: Cross multiply
    926,641x = 1,278,755.94 × 524,233
  4. Step 4: Simplify right side
    926,641x = 670,366,062,694.02
  5. Step 5: Solve for x
    x = 670,366,062,694.02/926,641
  6. Step 6: Final answer
    x = 723,436.65

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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.