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Finding the Fourth Proportional to 237,328.40, 355,301.40 and 230,416.40

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Solution

The fourth proportional to 237,328.40, 355,301.40 and 230,416.40 is: 344,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,328.40 : 355,301.40 = 230,416.40 : x
  2. Step 2: Convert to fraction form
    237,328.40/355,301.40 = 230,416.40/x
  3. Step 3: Cross multiply
    237,328.40x = 355,301.40 × 230,416.40
  4. Step 4: Simplify right side
    237,328.40x = 81,867,269,502.96
  5. Step 5: Solve for x
    x = 81,867,269,502.96/237,328.40
  6. Step 6: Final answer
    x = 344,953.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.