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Finding the Fourth Proportional to 373,394.70, 559,866.69 and 148,789.86

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Solution

The fourth proportional to 373,394.70, 559,866.69 and 148,789.86 is: 223,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,394.70 : 559,866.69 = 148,789.86 : x
  2. Step 2: Convert to fraction form
    373,394.70/559,866.69 = 148,789.86/x
  3. Step 3: Cross multiply
    373,394.70x = 559,866.69 × 148,789.86
  4. Step 4: Simplify right side
    373,394.70x = 83,302,486,423.76
  5. Step 5: Solve for x
    x = 83,302,486,423.76/373,394.70
  6. Step 6: Final answer
    x = 223,094.99

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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.