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Finding the Fourth Proportional to 613,390.61, 846,419.67 and 452,332.37

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Solution

The fourth proportional to 613,390.61, 846,419.67 and 452,332.37 is: 624,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,390.61 : 846,419.67 = 452,332.37 : x
  2. Step 2: Convert to fraction form
    613,390.61/846,419.67 = 452,332.37/x
  3. Step 3: Cross multiply
    613,390.61x = 846,419.67 × 452,332.37
  4. Step 4: Simplify right side
    613,390.61x = 382,863,015,345.72
  5. Step 5: Solve for x
    x = 382,863,015,345.72/613,390.61
  6. Step 6: Final answer
    x = 624,174.89

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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.