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Finding the Fourth Proportional to 393,701.58, 591,263.69 and 362,053.26

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Solution

The fourth proportional to 393,701.58, 591,263.69 and 362,053.26 is: 543,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,701.58 : 591,263.69 = 362,053.26 : x
  2. Step 2: Convert to fraction form
    393,701.58/591,263.69 = 362,053.26/x
  3. Step 3: Cross multiply
    393,701.58x = 591,263.69 × 362,053.26
  4. Step 4: Simplify right side
    393,701.58x = 214,068,944,673.86
  5. Step 5: Solve for x
    x = 214,068,944,673.86/393,701.58
  6. Step 6: Final answer
    x = 543,734.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.