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Finding the Fourth Proportional to 607,630,865.60, 911,471,181.60 and 176,809,361.60

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Solution

The fourth proportional to 607,630,865.60, 911,471,181.60 and 176,809,361.60 is: 265,221,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,630,865.60 : 911,471,181.60 = 176,809,361.60 : x
  2. Step 2: Convert to fraction form
    607,630,865.60/911,471,181.60 = 176,809,361.60/x
  3. Step 3: Cross multiply
    607,630,865.60x = 911,471,181.60 × 176,809,361.60
  4. Step 4: Simplify right side
    607,630,865.60x = 161,156,637,735,493,664
  5. Step 5: Solve for x
    x = 161,156,637,735,493,664/607,630,865.60
  6. Step 6: Final answer
    x = 265,221,282.95

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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.