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Finding the Fourth Proportional to 374,447,765.20, 560,915,820.60 and 374,447,765.20

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Solution

The fourth proportional to 374,447,765.20, 560,915,820.60 and 374,447,765.20 is: 560,915,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,447,765.20 : 560,915,820.60 = 374,447,765.20 : x
  2. Step 2: Convert to fraction form
    374,447,765.20/560,915,820.60 = 374,447,765.20/x
  3. Step 3: Cross multiply
    374,447,765.20x = 560,915,820.60 × 374,447,765.20
  4. Step 4: Simplify right side
    374,447,765.20x = 210,033,675,488,994,112
  5. Step 5: Solve for x
    x = 210,033,675,488,994,112/374,447,765.20
  6. Step 6: Final answer
    x = 560,915,820.60

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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.