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Finding the Fourth Proportional to 624,580.31, 936,730.31 and 287,297.03

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Solution

The fourth proportional to 624,580.31, 936,730.31 and 287,297.03 is: 430,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,580.31 : 936,730.31 = 287,297.03 : x
  2. Step 2: Convert to fraction form
    624,580.31/936,730.31 = 287,297.03/x
  3. Step 3: Cross multiply
    624,580.31x = 936,730.31 × 287,297.03
  4. Step 4: Simplify right side
    624,580.31x = 269,119,829,853.84
  5. Step 5: Solve for x
    x = 269,119,829,853.84/624,580.31
  6. Step 6: Final answer
    x = 430,881.07

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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.