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Finding the Fourth Proportional to 236,827.60, 355,241.40 and 235,445.20

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Solution

The fourth proportional to 236,827.60, 355,241.40 and 235,445.20 is: 353,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,827.60 : 355,241.40 = 235,445.20 : x
  2. Step 2: Convert to fraction form
    236,827.60/355,241.40 = 235,445.20/x
  3. Step 3: Cross multiply
    236,827.60x = 355,241.40 × 235,445.20
  4. Step 4: Simplify right side
    236,827.60x = 83,639,882,471.28
  5. Step 5: Solve for x
    x = 83,639,882,471.28/236,827.60
  6. Step 6: Final answer
    x = 353,167.80

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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.