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Finding the Fourth Proportional to 683,429.04, 943,575.48 and 611,684.64

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Solution

The fourth proportional to 683,429.04, 943,575.48 and 611,684.64 is: 844,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,429.04 : 943,575.48 = 611,684.64 : x
  2. Step 2: Convert to fraction form
    683,429.04/943,575.48 = 611,684.64/x
  3. Step 3: Cross multiply
    683,429.04x = 943,575.48 × 611,684.64
  4. Step 4: Simplify right side
    683,429.04x = 577,170,627,796.63
  5. Step 5: Solve for x
    x = 577,170,627,796.63/683,429.04
  6. Step 6: Final answer
    x = 844,521.66

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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.