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Finding the Fourth Proportional to 434,557.56, 599,687.52 and 243,570.96

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Solution

The fourth proportional to 434,557.56, 599,687.52 and 243,570.96 is: 336,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,557.56 : 599,687.52 = 243,570.96 : x
  2. Step 2: Convert to fraction form
    434,557.56/599,687.52 = 243,570.96/x
  3. Step 3: Cross multiply
    434,557.56x = 599,687.52 × 243,570.96
  4. Step 4: Simplify right side
    434,557.56x = 146,066,464,946.42
  5. Step 5: Solve for x
    x = 146,066,464,946.42/434,557.56
  6. Step 6: Final answer
    x = 336,126.85

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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.