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Finding the Fourth Proportional to 624,585.33, 936,737.87 and 287,302.07

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Solution

The fourth proportional to 624,585.33, 936,737.87 and 287,302.07 is: 430,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,585.33 : 936,737.87 = 287,302.07 : x
  2. Step 2: Convert to fraction form
    624,585.33/936,737.87 = 287,302.07/x
  3. Step 3: Cross multiply
    624,585.33x = 936,737.87 × 287,302.07
  4. Step 4: Simplify right side
    624,585.33x = 269,126,730,003.73
  5. Step 5: Solve for x
    x = 269,126,730,003.73/624,585.33
  6. Step 6: Final answer
    x = 430,888.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.