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Finding the Fourth Proportional to 714,843.94, 985,651.23 and 533,240.59

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Solution

The fourth proportional to 714,843.94, 985,651.23 and 533,240.59 is: 735,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,843.94 : 985,651.23 = 533,240.59 : x
  2. Step 2: Convert to fraction form
    714,843.94/985,651.23 = 533,240.59/x
  3. Step 3: Cross multiply
    714,843.94x = 985,651.23 × 533,240.59
  4. Step 4: Simplify right side
    714,843.94x = 525,589,243,419.43
  5. Step 5: Solve for x
    x = 525,589,243,419.43/714,843.94
  6. Step 6: Final answer
    x = 735,250.33

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Double scale
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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.