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Finding the Fourth Proportional to 849,704.12, 1,172,591.46 and 467,729

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Solution

The fourth proportional to 849,704.12, 1,172,591.46 and 467,729 is: 645,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,704.12 : 1,172,591.46 = 467,729 : x
  2. Step 2: Convert to fraction form
    849,704.12/1,172,591.46 = 467,729/x
  3. Step 3: Cross multiply
    849,704.12x = 1,172,591.46 × 467,729
  4. Step 4: Simplify right side
    849,704.12x = 548,455,030,994.34
  5. Step 5: Solve for x
    x = 548,455,030,994.34/849,704.12
  6. Step 6: Final answer
    x = 645,465.90

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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.