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Finding the Fourth Proportional to 767,770.47, 1,059,863.04 and 495,970.92

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Solution

The fourth proportional to 767,770.47, 1,059,863.04 and 495,970.92 is: 684,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,770.47 : 1,059,863.04 = 495,970.92 : x
  2. Step 2: Convert to fraction form
    767,770.47/1,059,863.04 = 495,970.92/x
  3. Step 3: Cross multiply
    767,770.47x = 1,059,863.04 × 495,970.92
  4. Step 4: Simplify right side
    767,770.47x = 525,661,247,022.80
  5. Step 5: Solve for x
    x = 525,661,247,022.80/767,770.47
  6. Step 6: Final answer
    x = 684,659.37

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1.5x scale

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.