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Finding the Fourth Proportional to 437,533.80, 656,300.70 and 374,548.20

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Solution

The fourth proportional to 437,533.80, 656,300.70 and 374,548.20 is: 561,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,533.80 : 656,300.70 = 374,548.20 : x
  2. Step 2: Convert to fraction form
    437,533.80/656,300.70 = 374,548.20/x
  3. Step 3: Cross multiply
    437,533.80x = 656,300.70 × 374,548.20
  4. Step 4: Simplify right side
    437,533.80x = 245,816,245,843.74
  5. Step 5: Solve for x
    x = 245,816,245,843.74/437,533.80
  6. Step 6: Final answer
    x = 561,822.30

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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.