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Finding the Fourth Proportional to 434,570.47, 599,734.94 and 243,583.88

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Solution

The fourth proportional to 434,570.47, 599,734.94 and 243,583.88 is: 336,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.47 : 599,734.94 = 243,583.88 : x
  2. Step 2: Convert to fraction form
    434,570.47/599,734.94 = 243,583.88/x
  3. Step 3: Cross multiply
    434,570.47x = 599,734.94 × 243,583.88
  4. Step 4: Simplify right side
    434,570.47x = 146,085,759,440.17
  5. Step 5: Solve for x
    x = 146,085,759,440.17/434,570.47
  6. Step 6: Final answer
    x = 336,161.27

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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.