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Finding the Fourth Proportional to 245,957.40, 368,936.10 and 202,217.40

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Solution

The fourth proportional to 245,957.40, 368,936.10 and 202,217.40 is: 303,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,957.40 : 368,936.10 = 202,217.40 : x
  2. Step 2: Convert to fraction form
    245,957.40/368,936.10 = 202,217.40/x
  3. Step 3: Cross multiply
    245,957.40x = 368,936.10 × 202,217.40
  4. Step 4: Simplify right side
    245,957.40x = 74,605,298,908.14
  5. Step 5: Solve for x
    x = 74,605,298,908.14/245,957.40
  6. Step 6: Final answer
    x = 303,326.10

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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.