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Finding the Fourth Proportional to 374,447,977.20, 560,916,138.60 and 374,447,977.20

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Solution

The fourth proportional to 374,447,977.20, 560,916,138.60 and 374,447,977.20 is: 560,916,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,447,977.20 : 560,916,138.60 = 374,447,977.20 : x
  2. Step 2: Convert to fraction form
    374,447,977.20/560,916,138.60 = 374,447,977.20/x
  3. Step 3: Cross multiply
    374,447,977.20x = 560,916,138.60 × 374,447,977.20
  4. Step 4: Simplify right side
    374,447,977.20x = 210,033,913,477,604,832
  5. Step 5: Solve for x
    x = 210,033,913,477,604,832/374,447,977.20
  6. Step 6: Final answer
    x = 560,916,138.60

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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.