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Finding the Fourth Proportional to 343,997,607.60, 482,957,139.60 and 343,997,607.60

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Solution

The fourth proportional to 343,997,607.60, 482,957,139.60 and 343,997,607.60 is: 482,957,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,997,607.60 : 482,957,139.60 = 343,997,607.60 : x
  2. Step 2: Convert to fraction form
    343,997,607.60/482,957,139.60 = 343,997,607.60/x
  3. Step 3: Cross multiply
    343,997,607.60x = 482,957,139.60 × 343,997,607.60
  4. Step 4: Simplify right side
    343,997,607.60x = 166,136,100,595,739,232
  5. Step 5: Solve for x
    x = 166,136,100,595,739,232/343,997,607.60
  6. Step 6: Final answer
    x = 482,957,139.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.