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Finding the Fourth Proportional to 525,699,243.44, 788,550,200.73 and 214,806,859.81

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Solution

The fourth proportional to 525,699,243.44, 788,550,200.73 and 214,806,859.81 is: 322,210,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,699,243.44 : 788,550,200.73 = 214,806,859.81 : x
  2. Step 2: Convert to fraction form
    525,699,243.44/788,550,200.73 = 214,806,859.81/x
  3. Step 3: Cross multiply
    525,699,243.44x = 788,550,200.73 × 214,806,859.81
  4. Step 4: Simplify right side
    525,699,243.44x = 169,385,992,419,385,088
  5. Step 5: Solve for x
    x = 169,385,992,419,385,088/525,699,243.44
  6. Step 6: Final answer
    x = 322,210,835.44

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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.