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Finding the Fourth Proportional to 412,716, 569,548.08 and 243,054.48

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Solution

The fourth proportional to 412,716, 569,548.08 and 243,054.48 is: 335,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,716 : 569,548.08 = 243,054.48 : x
  2. Step 2: Convert to fraction form
    412,716/569,548.08 = 243,054.48/x
  3. Step 3: Cross multiply
    412,716x = 569,548.08 × 243,054.48
  4. Step 4: Simplify right side
    412,716x = 138,431,212,419.40
  5. Step 5: Solve for x
    x = 138,431,212,419.40/412,716
  6. Step 6: Final answer
    x = 335,415.18

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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.