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Finding the Fourth Proportional to 315,551,453.60, 473,103,231.60 and 143,110,877.60

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Solution

The fourth proportional to 315,551,453.60, 473,103,231.60 and 143,110,877.60 is: 214,564,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,551,453.60 : 473,103,231.60 = 143,110,877.60 : x
  2. Step 2: Convert to fraction form
    315,551,453.60/473,103,231.60 = 143,110,877.60/x
  3. Step 3: Cross multiply
    315,551,453.60x = 473,103,231.60 × 143,110,877.60
  4. Step 4: Simplify right side
    315,551,453.60x = 67,706,218,669,672,056
  5. Step 5: Solve for x
    x = 67,706,218,669,672,056/315,551,453.60
  6. Step 6: Final answer
    x = 214,564,749.73

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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.