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Finding the Fourth Proportional to 528,835,517.70, 793,253,276.55 and 528,835,517.70

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Solution

The fourth proportional to 528,835,517.70, 793,253,276.55 and 528,835,517.70 is: 793,253,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,835,517.70 : 793,253,276.55 = 528,835,517.70 : x
  2. Step 2: Convert to fraction form
    528,835,517.70/793,253,276.55 = 528,835,517.70/x
  3. Step 3: Cross multiply
    528,835,517.70x = 793,253,276.55 × 528,835,517.70
  4. Step 4: Simplify right side
    528,835,517.70x = 419,500,507,171,540,480
  5. Step 5: Solve for x
    x = 419,500,507,171,540,480/528,835,517.70
  6. Step 6: Final answer
    x = 793,253,276.55

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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.