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Finding the Fourth Proportional to 577,402,093.80, 866,103,140.70 and 168,499,578.60

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Solution

The fourth proportional to 577,402,093.80, 866,103,140.70 and 168,499,578.60 is: 252,749,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,402,093.80 : 866,103,140.70 = 168,499,578.60 : x
  2. Step 2: Convert to fraction form
    577,402,093.80/866,103,140.70 = 168,499,578.60/x
  3. Step 3: Cross multiply
    577,402,093.80x = 866,103,140.70 × 168,499,578.60
  4. Step 4: Simplify right side
    577,402,093.80x = 145,938,014,232,086,496
  5. Step 5: Solve for x
    x = 145,938,014,232,086,496/577,402,093.80
  6. Step 6: Final answer
    x = 252,749,367.90

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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.