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Finding the Fourth Proportional to 624,092,677.80, 936,288,315.90 and 300,710,610.60

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Solution

The fourth proportional to 624,092,677.80, 936,288,315.90 and 300,710,610.60 is: 451,137,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,092,677.80 : 936,288,315.90 = 300,710,610.60 : x
  2. Step 2: Convert to fraction form
    624,092,677.80/936,288,315.90 = 300,710,610.60/x
  3. Step 3: Cross multiply
    624,092,677.80x = 936,288,315.90 × 300,710,610.60
  4. Step 4: Simplify right side
    624,092,677.80x = 281,551,831,171,934,688
  5. Step 5: Solve for x
    x = 281,551,831,171,934,688/624,092,677.80
  6. Step 6: Final answer
    x = 451,137,853.70

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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.