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Finding the Fourth Proportional to 220,054,497.60, 330,081,746.40 and 197,096,246.40

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Solution

The fourth proportional to 220,054,497.60, 330,081,746.40 and 197,096,246.40 is: 295,644,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,054,497.60 : 330,081,746.40 = 197,096,246.40 : x
  2. Step 2: Convert to fraction form
    220,054,497.60/330,081,746.40 = 197,096,246.40/x
  3. Step 3: Cross multiply
    220,054,497.60x = 330,081,746.40 × 197,096,246.40
  4. Step 4: Simplify right side
    220,054,497.60x = 65,057,873,220,596,712
  5. Step 5: Solve for x
    x = 65,057,873,220,596,712/220,054,497.60
  6. Step 6: Final answer
    x = 295,644,369.60

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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.