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Finding the Fourth Proportional to 350,048,857.20, 525,073,285.80 and 350,048,857.20

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Solution

The fourth proportional to 350,048,857.20, 525,073,285.80 and 350,048,857.20 is: 525,073,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,048,857.20 : 525,073,285.80 = 350,048,857.20 : x
  2. Step 2: Convert to fraction form
    350,048,857.20/525,073,285.80 = 350,048,857.20/x
  3. Step 3: Cross multiply
    350,048,857.20x = 525,073,285.80 × 350,048,857.20
  4. Step 4: Simplify right side
    350,048,857.20x = 183,801,303,640,538,976
  5. Step 5: Solve for x
    x = 183,801,303,640,538,976/350,048,857.20
  6. Step 6: Final answer
    x = 525,073,285.80

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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.