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Finding the Fourth Proportional to 283,328.40, 426,029.40 and 237,709.20

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Solution

The fourth proportional to 283,328.40, 426,029.40 and 237,709.20 is: 357,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,328.40 : 426,029.40 = 237,709.20 : x
  2. Step 2: Convert to fraction form
    283,328.40/426,029.40 = 237,709.20/x
  3. Step 3: Cross multiply
    283,328.40x = 426,029.40 × 237,709.20
  4. Step 4: Simplify right side
    283,328.40x = 101,271,107,850.48
  5. Step 5: Solve for x
    x = 101,271,107,850.48/283,328.40
  6. Step 6: Final answer
    x = 357,433.66

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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.