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Finding the Fourth Proportional to 40,441,307.60, 60,661,961.40 and 30,363,611.60

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Solution

The fourth proportional to 40,441,307.60, 60,661,961.40 and 30,363,611.60 is: 45,545,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,441,307.60 : 60,661,961.40 = 30,363,611.60 : x
  2. Step 2: Convert to fraction form
    40,441,307.60/60,661,961.40 = 30,363,611.60/x
  3. Step 3: Cross multiply
    40,441,307.60x = 60,661,961.40 × 30,363,611.60
  4. Step 4: Simplify right side
    40,441,307.60x = 1,841,916,234,843,792.25
  5. Step 5: Solve for x
    x = 1,841,916,234,843,792.25/40,441,307.60
  6. Step 6: Final answer
    x = 45,545,417.40

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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.