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Finding the Fourth Proportional to 367,952.56, 507,804.49 and 212,956.22

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Solution

The fourth proportional to 367,952.56, 507,804.49 and 212,956.22 is: 293,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,952.56 : 507,804.49 = 212,956.22 : x
  2. Step 2: Convert to fraction form
    367,952.56/507,804.49 = 212,956.22/x
  3. Step 3: Cross multiply
    367,952.56x = 507,804.49 × 212,956.22
  4. Step 4: Simplify right side
    367,952.56x = 108,140,126,225.13
  5. Step 5: Solve for x
    x = 108,140,126,225.13/367,952.56
  6. Step 6: Final answer
    x = 293,896.93

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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.