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Finding the Fourth Proportional to 962,729.17, 1,328,706.17 and 554,751.61

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Solution

The fourth proportional to 962,729.17, 1,328,706.17 and 554,751.61 is: 765,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,729.17 : 1,328,706.17 = 554,751.61 : x
  2. Step 2: Convert to fraction form
    962,729.17/1,328,706.17 = 554,751.61/x
  3. Step 3: Cross multiply
    962,729.17x = 1,328,706.17 × 554,751.61
  4. Step 4: Simplify right side
    962,729.17x = 737,101,883,009.23
  5. Step 5: Solve for x
    x = 737,101,883,009.23/962,729.17
  6. Step 6: Final answer
    x = 765,637.84

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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.