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Finding the Fourth Proportional to 295,229.60, 442,261.20 and 176,548.40

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Solution

The fourth proportional to 295,229.60, 442,261.20 and 176,548.40 is: 264,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,229.60 : 442,261.20 = 176,548.40 : x
  2. Step 2: Convert to fraction form
    295,229.60/442,261.20 = 176,548.40/x
  3. Step 3: Cross multiply
    295,229.60x = 442,261.20 × 176,548.40
  4. Step 4: Simplify right side
    295,229.60x = 78,080,507,242.08
  5. Step 5: Solve for x
    x = 78,080,507,242.08/295,229.60
  6. Step 6: Final answer
    x = 264,473.84

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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.