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Finding the Fourth Proportional to 295,294.40, 442,941.60 and 293,544.80

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Solution

The fourth proportional to 295,294.40, 442,941.60 and 293,544.80 is: 440,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,294.40 : 442,941.60 = 293,544.80 : x
  2. Step 2: Convert to fraction form
    295,294.40/442,941.60 = 293,544.80/x
  3. Step 3: Cross multiply
    295,294.40x = 442,941.60 × 293,544.80
  4. Step 4: Simplify right side
    295,294.40x = 130,023,203,383.68
  5. Step 5: Solve for x
    x = 130,023,203,383.68/295,294.40
  6. Step 6: Final answer
    x = 440,317.20

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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.