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Finding the Fourth Proportional to 434,047.36, 599,023.04 and 243,057.28

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Solution

The fourth proportional to 434,047.36, 599,023.04 and 243,057.28 is: 335,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,047.36 : 599,023.04 = 243,057.28 : x
  2. Step 2: Convert to fraction form
    434,047.36/599,023.04 = 243,057.28/x
  3. Step 3: Cross multiply
    434,047.36x = 599,023.04 × 243,057.28
  4. Step 4: Simplify right side
    434,047.36x = 145,596,910,759.73
  5. Step 5: Solve for x
    x = 145,596,910,759.73/434,047.36
  6. Step 6: Final answer
    x = 335,440.15

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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.