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Finding the Fourth Proportional to 562,607,990.56, 776,399,026.98 and 315,089,344.81

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Solution

The fourth proportional to 562,607,990.56, 776,399,026.98 and 315,089,344.81 is: 434,823,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,607,990.56 : 776,399,026.98 = 315,089,344.81 : x
  2. Step 2: Convert to fraction form
    562,607,990.56/776,399,026.98 = 315,089,344.81/x
  3. Step 3: Cross multiply
    562,607,990.56x = 776,399,026.98 × 315,089,344.81
  4. Step 4: Simplify right side
    562,607,990.56x = 244,635,060,722,249,728
  5. Step 5: Solve for x
    x = 244,635,060,722,249,728/562,607,990.56
  6. Step 6: Final answer
    x = 434,823,295.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.