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Finding the Fourth Proportional to 245,842.40, 368,277.60 and 216,617.60

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Solution

The fourth proportional to 245,842.40, 368,277.60 and 216,617.60 is: 324,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,842.40 : 368,277.60 = 216,617.60 : x
  2. Step 2: Convert to fraction form
    245,842.40/368,277.60 = 216,617.60/x
  3. Step 3: Cross multiply
    245,842.40x = 368,277.60 × 216,617.60
  4. Step 4: Simplify right side
    245,842.40x = 79,775,409,845.76
  5. Step 5: Solve for x
    x = 79,775,409,845.76/245,842.40
  6. Step 6: Final answer
    x = 324,498.17

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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.