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Finding the Fourth Proportional to 525,699,244.44, 788,550,202.23 and 214,806,860.81

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Solution

The fourth proportional to 525,699,244.44, 788,550,202.23 and 214,806,860.81 is: 322,210,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,699,244.44 : 788,550,202.23 = 214,806,860.81 : x
  2. Step 2: Convert to fraction form
    525,699,244.44/788,550,202.23 = 214,806,860.81/x
  3. Step 3: Cross multiply
    525,699,244.44x = 788,550,202.23 × 214,806,860.81
  4. Step 4: Simplify right side
    525,699,244.44x = 169,385,993,532,116,960
  5. Step 5: Solve for x
    x = 169,385,993,532,116,960/525,699,244.44
  6. Step 6: Final answer
    x = 322,210,836.94

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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.