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Finding the Fourth Proportional to 610,889,683.92, 843,449,531.15 and 571,860,656.88

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Solution

The fourth proportional to 610,889,683.92, 843,449,531.15 and 571,860,656.88 is: 789,562,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,889,683.92 : 843,449,531.15 = 571,860,656.88 : x
  2. Step 2: Convert to fraction form
    610,889,683.92/843,449,531.15 = 571,860,656.88/x
  3. Step 3: Cross multiply
    610,889,683.92x = 843,449,531.15 × 571,860,656.88
  4. Step 4: Simplify right side
    610,889,683.92x = 482,335,602,928,566,976
  5. Step 5: Solve for x
    x = 482,335,602,928,566,976/610,889,683.92
  6. Step 6: Final answer
    x = 789,562,527.61

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1.5x scale

Why These Related Problems?

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