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Finding the Fourth Proportional to 550,534.60, 825,603.58 and 190,607.73

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Solution

The fourth proportional to 550,534.60, 825,603.58 and 190,607.73 is: 285,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,534.60 : 825,603.58 = 190,607.73 : x
  2. Step 2: Convert to fraction form
    550,534.60/825,603.58 = 190,607.73/x
  3. Step 3: Cross multiply
    550,534.60x = 825,603.58 × 190,607.73
  4. Step 4: Simplify right side
    550,534.60x = 157,366,424,263.67
  5. Step 5: Solve for x
    x = 157,366,424,263.67/550,534.60
  6. Step 6: Final answer
    x = 285,842.93

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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.