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Finding the Fourth Proportional to 668,988.39, 923,204.46 and 363,064.69

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Solution

The fourth proportional to 668,988.39, 923,204.46 and 363,064.69 is: 501,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,988.39 : 923,204.46 = 363,064.69 : x
  2. Step 2: Convert to fraction form
    668,988.39/923,204.46 = 363,064.69/x
  3. Step 3: Cross multiply
    668,988.39x = 923,204.46 × 363,064.69
  4. Step 4: Simplify right side
    668,988.39x = 335,182,937,932.15
  5. Step 5: Solve for x
    x = 335,182,937,932.15/668,988.39
  6. Step 6: Final answer
    x = 501,029.53

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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.