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Finding the Fourth Proportional to 204,630,657.60, 306,945,986.40 and 204,630,657.60

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Solution

The fourth proportional to 204,630,657.60, 306,945,986.40 and 204,630,657.60 is: 306,945,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,630,657.60 : 306,945,986.40 = 204,630,657.60 : x
  2. Step 2: Convert to fraction form
    204,630,657.60/306,945,986.40 = 204,630,657.60/x
  3. Step 3: Cross multiply
    204,630,657.60x = 306,945,986.40 × 204,630,657.60
  4. Step 4: Simplify right side
    204,630,657.60x = 62,810,559,044,712,648
  5. Step 5: Solve for x
    x = 62,810,559,044,712,648/204,630,657.60
  6. Step 6: Final answer
    x = 306,945,986.40

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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.