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Finding the Fourth Proportional to 354,295,101.60, 531,442,652.40 and 98,993,469.60

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Solution

The fourth proportional to 354,295,101.60, 531,442,652.40 and 98,993,469.60 is: 148,490,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,101.60 : 531,442,652.40 = 98,993,469.60 : x
  2. Step 2: Convert to fraction form
    354,295,101.60/531,442,652.40 = 98,993,469.60/x
  3. Step 3: Cross multiply
    354,295,101.60x = 531,442,652.40 × 98,993,469.60
  4. Step 4: Simplify right side
    354,295,101.60x = 52,609,352,054,502,760
  5. Step 5: Solve for x
    x = 52,609,352,054,502,760/354,295,101.60
  6. Step 6: Final answer
    x = 148,490,204.40

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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.