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Finding the Fourth Proportional to 383,146.61, 574,754.54 and 146,491.34

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Solution

The fourth proportional to 383,146.61, 574,754.54 and 146,491.34 is: 219,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,146.61 : 574,754.54 = 146,491.34 : x
  2. Step 2: Convert to fraction form
    383,146.61/574,754.54 = 146,491.34/x
  3. Step 3: Cross multiply
    383,146.61x = 574,754.54 × 146,491.34
  4. Step 4: Simplify right side
    383,146.61x = 84,196,559,129.45
  5. Step 5: Solve for x
    x = 84,196,559,129.45/383,146.61
  6. Step 6: Final answer
    x = 219,750.24

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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.