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Finding the Fourth Proportional to 914,765.78, 1,262,375.52 and 506,894.04

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Solution

The fourth proportional to 914,765.78, 1,262,375.52 and 506,894.04 is: 699,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,765.78 : 1,262,375.52 = 506,894.04 : x
  2. Step 2: Convert to fraction form
    914,765.78/1,262,375.52 = 506,894.04/x
  3. Step 3: Cross multiply
    914,765.78x = 1,262,375.52 × 506,894.04
  4. Step 4: Simplify right side
    914,765.78x = 639,890,627,329.90
  5. Step 5: Solve for x
    x = 639,890,627,329.90/914,765.78
  6. Step 6: Final answer
    x = 699,513.08

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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.