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Finding the Fourth Proportional to 624,386.52, 861,653.34 and 337,906.67

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Solution

The fourth proportional to 624,386.52, 861,653.34 and 337,906.67 is: 466,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,386.52 : 861,653.34 = 337,906.67 : x
  2. Step 2: Convert to fraction form
    624,386.52/861,653.34 = 337,906.67/x
  3. Step 3: Cross multiply
    624,386.52x = 861,653.34 × 337,906.67
  4. Step 4: Simplify right side
    624,386.52x = 291,158,406,505.51
  5. Step 5: Solve for x
    x = 291,158,406,505.51/624,386.52
  6. Step 6: Final answer
    x = 466,311.17

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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.