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Finding the Fourth Proportional to 355,159.20, 533,905.20 and 303,837.60

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Solution

The fourth proportional to 355,159.20, 533,905.20 and 303,837.60 is: 456,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,159.20 : 533,905.20 = 303,837.60 : x
  2. Step 2: Convert to fraction form
    355,159.20/533,905.20 = 303,837.60/x
  3. Step 3: Cross multiply
    355,159.20x = 533,905.20 × 303,837.60
  4. Step 4: Simplify right side
    355,159.20x = 162,220,474,595.52
  5. Step 5: Solve for x
    x = 162,220,474,595.52/355,159.20
  6. Step 6: Final answer
    x = 456,754.25

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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.