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Finding the Fourth Proportional to 205,048.40, 307,572.60 and 202,283.60

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Solution

The fourth proportional to 205,048.40, 307,572.60 and 202,283.60 is: 303,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,048.40 : 307,572.60 = 202,283.60 : x
  2. Step 2: Convert to fraction form
    205,048.40/307,572.60 = 202,283.60/x
  3. Step 3: Cross multiply
    205,048.40x = 307,572.60 × 202,283.60
  4. Step 4: Simplify right side
    205,048.40x = 62,216,892,789.36
  5. Step 5: Solve for x
    x = 62,216,892,789.36/205,048.40
  6. Step 6: Final answer
    x = 303,425.40

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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.