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Finding the Fourth Proportional to 624,269,840.40, 936,121,325.40 and 235,963,616.40

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Solution

The fourth proportional to 624,269,840.40, 936,121,325.40 and 235,963,616.40 is: 353,838,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,269,840.40 : 936,121,325.40 = 235,963,616.40 : x
  2. Step 2: Convert to fraction form
    624,269,840.40/936,121,325.40 = 235,963,616.40/x
  3. Step 3: Cross multiply
    624,269,840.40x = 936,121,325.40 × 235,963,616.40
  4. Step 4: Simplify right side
    624,269,840.40x = 220,890,573,330,545,184
  5. Step 5: Solve for x
    x = 220,890,573,330,545,184/624,269,840.40
  6. Step 6: Final answer
    x = 353,838,290.81

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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.