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Finding the Fourth Proportional to 624,584.93, 936,737.23 and 287,301.65

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Solution

The fourth proportional to 624,584.93, 936,737.23 and 287,301.65 is: 430,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,584.93 : 936,737.23 = 287,301.65 : x
  2. Step 2: Convert to fraction form
    624,584.93/936,737.23 = 287,301.65/x
  3. Step 3: Cross multiply
    624,584.93x = 936,737.23 × 287,301.65
  4. Step 4: Simplify right side
    624,584.93x = 269,126,151,795.43
  5. Step 5: Solve for x
    x = 269,126,151,795.43/624,584.93
  6. Step 6: Final answer
    x = 430,888.00

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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.