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Finding the Fourth Proportional to 683,417.04, 943,558.92 and 611,672.64

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Solution

The fourth proportional to 683,417.04, 943,558.92 and 611,672.64 is: 844,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,417.04 : 943,558.92 = 611,672.64 : x
  2. Step 2: Convert to fraction form
    683,417.04/943,558.92 = 611,672.64/x
  3. Step 3: Cross multiply
    683,417.04x = 943,558.92 × 611,672.64
  4. Step 4: Simplify right side
    683,417.04x = 577,149,175,591.95
  5. Step 5: Solve for x
    x = 577,149,175,591.95/683,417.04
  6. Step 6: Final answer
    x = 844,505.10

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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.