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Finding the Fourth Proportional to 283,951.35, 426,007.50 and 115,592.45

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Solution

The fourth proportional to 283,951.35, 426,007.50 and 115,592.45 is: 173,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,951.35 : 426,007.50 = 115,592.45 : x
  2. Step 2: Convert to fraction form
    283,951.35/426,007.50 = 115,592.45/x
  3. Step 3: Cross multiply
    283,951.35x = 426,007.50 × 115,592.45
  4. Step 4: Simplify right side
    283,951.35x = 49,243,249,928.22
  5. Step 5: Solve for x
    x = 49,243,249,928.22/283,951.35
  6. Step 6: Final answer
    x = 173,421.43

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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.