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Finding the Fourth Proportional to 624,287.70, 936,561.15 and 203,595.30

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Solution

The fourth proportional to 624,287.70, 936,561.15 and 203,595.30 is: 305,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,287.70 : 936,561.15 = 203,595.30 : x
  2. Step 2: Convert to fraction form
    624,287.70/936,561.15 = 203,595.30/x
  3. Step 3: Cross multiply
    624,287.70x = 936,561.15 × 203,595.30
  4. Step 4: Simplify right side
    624,287.70x = 190,679,448,302.60
  5. Step 5: Solve for x
    x = 190,679,448,302.60/624,287.70
  6. Step 6: Final answer
    x = 305,435.22

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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.