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Finding the Fourth Proportional to 624,639.30, 936,941.93 and 175,363.89

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Solution

The fourth proportional to 624,639.30, 936,941.93 and 175,363.89 is: 263,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,639.30 : 936,941.93 = 175,363.89 : x
  2. Step 2: Convert to fraction form
    624,639.30/936,941.93 = 175,363.89/x
  3. Step 3: Cross multiply
    624,639.30x = 936,941.93 × 175,363.89
  4. Step 4: Simplify right side
    624,639.30x = 164,305,781,548.91
  5. Step 5: Solve for x
    x = 164,305,781,548.91/624,639.30
  6. Step 6: Final answer
    x = 263,041.06

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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.