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Finding the Fourth Proportional to 624,561.60, 936,745.20 and 175,238.40

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Solution

The fourth proportional to 624,561.60, 936,745.20 and 175,238.40 is: 262,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,561.60 : 936,745.20 = 175,238.40 : x
  2. Step 2: Convert to fraction form
    624,561.60/936,745.20 = 175,238.40/x
  3. Step 3: Cross multiply
    624,561.60x = 936,745.20 × 175,238.40
  4. Step 4: Simplify right side
    624,561.60x = 164,153,730,055.68
  5. Step 5: Solve for x
    x = 164,153,730,055.68/624,561.60
  6. Step 6: Final answer
    x = 262,830.33

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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.