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Finding the Fourth Proportional to 265,885.20, 367,056.90 and 205,319.88

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Solution

The fourth proportional to 265,885.20, 367,056.90 and 205,319.88 is: 283,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,885.20 : 367,056.90 = 205,319.88 : x
  2. Step 2: Convert to fraction form
    265,885.20/367,056.90 = 205,319.88/x
  3. Step 3: Cross multiply
    265,885.20x = 367,056.90 × 205,319.88
  4. Step 4: Simplify right side
    265,885.20x = 75,364,078,661.17
  5. Step 5: Solve for x
    x = 75,364,078,661.17/265,885.20
  6. Step 6: Final answer
    x = 283,445.93

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1.5x scale

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.