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Finding the Fourth Proportional to 345,802.05, 477,195.54 and 190,752.96

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Solution

The fourth proportional to 345,802.05, 477,195.54 and 190,752.96 is: 263,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,802.05 : 477,195.54 = 190,752.96 : x
  2. Step 2: Convert to fraction form
    345,802.05/477,195.54 = 190,752.96/x
  3. Step 3: Cross multiply
    345,802.05x = 477,195.54 × 190,752.96
  4. Step 4: Simplify right side
    345,802.05x = 91,026,461,753.80
  5. Step 5: Solve for x
    x = 91,026,461,753.80/345,802.05
  6. Step 6: Final answer
    x = 263,232.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.