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Finding the Fourth Proportional to 274,533,947.69, 411,800,573.77 and 70,062,027.53

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Solution

The fourth proportional to 274,533,947.69, 411,800,573.77 and 70,062,027.53 is: 105,092,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,533,947.69 : 411,800,573.77 = 70,062,027.53 : x
  2. Step 2: Convert to fraction form
    274,533,947.69/411,800,573.77 = 70,062,027.53/x
  3. Step 3: Cross multiply
    274,533,947.69x = 411,800,573.77 × 70,062,027.53
  4. Step 4: Simplify right side
    274,533,947.69x = 28,851,583,133,934,224
  5. Step 5: Solve for x
    x = 28,851,583,133,934,224/274,533,947.69
  6. Step 6: Final answer
    x = 105,092,952.54

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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.