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Finding the Fourth Proportional to 270,620.16, 373,560.48 and 242,276.64

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Solution

The fourth proportional to 270,620.16, 373,560.48 and 242,276.64 is: 334,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,620.16 : 373,560.48 = 242,276.64 : x
  2. Step 2: Convert to fraction form
    270,620.16/373,560.48 = 242,276.64/x
  3. Step 3: Cross multiply
    270,620.16x = 373,560.48 × 242,276.64
  4. Step 4: Simplify right side
    270,620.16x = 90,504,977,931.19
  5. Step 5: Solve for x
    x = 90,504,977,931.19/270,620.16
  6. Step 6: Final answer
    x = 334,435.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.