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Finding the Fourth Proportional to 607,193.40, 910,704.06 and 381,866.52

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Solution

The fourth proportional to 607,193.40, 910,704.06 and 381,866.52 is: 572,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,193.40 : 910,704.06 = 381,866.52 : x
  2. Step 2: Convert to fraction form
    607,193.40/910,704.06 = 381,866.52/x
  3. Step 3: Cross multiply
    607,193.40x = 910,704.06 × 381,866.52
  4. Step 4: Simplify right side
    607,193.40x = 347,767,390,142.07
  5. Step 5: Solve for x
    x = 347,767,390,142.07/607,193.40
  6. Step 6: Final answer
    x = 572,745.67

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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.