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Finding the Fourth Proportional to 488,546.61, 732,820.21 and 133,533.93

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Solution

The fourth proportional to 488,546.61, 732,820.21 and 133,533.93 is: 200,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,546.61 : 732,820.21 = 133,533.93 : x
  2. Step 2: Convert to fraction form
    488,546.61/732,820.21 = 133,533.93/x
  3. Step 3: Cross multiply
    488,546.61x = 732,820.21 × 133,533.93
  4. Step 4: Simplify right side
    488,546.61x = 97,856,362,624.73
  5. Step 5: Solve for x
    x = 97,856,362,624.73/488,546.61
  6. Step 6: Final answer
    x = 200,300.98

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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.