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Finding the Fourth Proportional to 273,345.60, 409,240.80 and 242,241.60

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Solution

The fourth proportional to 273,345.60, 409,240.80 and 242,241.60 is: 362,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,345.60 : 409,240.80 = 242,241.60 : x
  2. Step 2: Convert to fraction form
    273,345.60/409,240.80 = 242,241.60/x
  3. Step 3: Cross multiply
    273,345.60x = 409,240.80 × 242,241.60
  4. Step 4: Simplify right side
    273,345.60x = 99,135,146,177.28
  5. Step 5: Solve for x
    x = 99,135,146,177.28/273,345.60
  6. Step 6: Final answer
    x = 362,673.28

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1.5x scale

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.