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Finding the Fourth Proportional to 237,329.40, 355,302.90 and 230,417.40

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Solution

The fourth proportional to 237,329.40, 355,302.90 and 230,417.40 is: 344,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,329.40 : 355,302.90 = 230,417.40 : x
  2. Step 2: Convert to fraction form
    237,329.40/355,302.90 = 230,417.40/x
  3. Step 3: Cross multiply
    237,329.40x = 355,302.90 × 230,417.40
  4. Step 4: Simplify right side
    237,329.40x = 81,867,970,430.46
  5. Step 5: Solve for x
    x = 81,867,970,430.46/237,329.40
  6. Step 6: Final answer
    x = 344,955.03

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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.