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Finding the Fourth Proportional to 624,274.10, 936,411.15 and 499,858.10

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Solution

The fourth proportional to 624,274.10, 936,411.15 and 499,858.10 is: 749,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,274.10 : 936,411.15 = 499,858.10 : x
  2. Step 2: Convert to fraction form
    624,274.10/936,411.15 = 499,858.10/x
  3. Step 3: Cross multiply
    624,274.10x = 936,411.15 × 499,858.10
  4. Step 4: Simplify right side
    624,274.10x = 468,072,698,257.82
  5. Step 5: Solve for x
    x = 468,072,698,257.82/624,274.10
  6. Step 6: Final answer
    x = 749,787.15

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