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Finding the Fourth Proportional to 295,802.20, 443,703.30 and 202,490.20

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Solution

The fourth proportional to 295,802.20, 443,703.30 and 202,490.20 is: 303,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,802.20 : 443,703.30 = 202,490.20 : x
  2. Step 2: Convert to fraction form
    295,802.20/443,703.30 = 202,490.20/x
  3. Step 3: Cross multiply
    295,802.20x = 443,703.30 × 202,490.20
  4. Step 4: Simplify right side
    295,802.20x = 89,845,569,957.66
  5. Step 5: Solve for x
    x = 89,845,569,957.66/295,802.20
  6. Step 6: Final answer
    x = 303,735.30

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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.