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Finding the Fourth Proportional to 499,533.30, 747,331.65 and 433,704.60

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Solution

The fourth proportional to 499,533.30, 747,331.65 and 433,704.60 is: 648,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,533.30 : 747,331.65 = 433,704.60 : x
  2. Step 2: Convert to fraction form
    499,533.30/747,331.65 = 433,704.60/x
  3. Step 3: Cross multiply
    499,533.30x = 747,331.65 × 433,704.60
  4. Step 4: Simplify right side
    499,533.30x = 324,121,174,330.59
  5. Step 5: Solve for x
    x = 324,121,174,330.59/499,533.30
  6. Step 6: Final answer
    x = 648,847.98

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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.