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Finding the Fourth Proportional to 608,212.37, 839,312.51 and 350,053.48

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Solution

The fourth proportional to 608,212.37, 839,312.51 and 350,053.48 is: 483,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,212.37 : 839,312.51 = 350,053.48 : x
  2. Step 2: Convert to fraction form
    608,212.37/839,312.51 = 350,053.48/x
  3. Step 3: Cross multiply
    608,212.37x = 839,312.51 × 350,053.48
  4. Step 4: Simplify right side
    608,212.37x = 293,804,265,544.61
  5. Step 5: Solve for x
    x = 293,804,265,544.61/608,212.37
  6. Step 6: Final answer
    x = 483,061.97

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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.