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Finding the Fourth Proportional to 365,218.40, 547,568.40 and 165,634.40

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Solution

The fourth proportional to 365,218.40, 547,568.40 and 165,634.40 is: 248,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,218.40 : 547,568.40 = 165,634.40 : x
  2. Step 2: Convert to fraction form
    365,218.40/547,568.40 = 165,634.40/x
  3. Step 3: Cross multiply
    365,218.40x = 547,568.40 × 165,634.40
  4. Step 4: Simplify right side
    365,218.40x = 90,696,163,392.96
  5. Step 5: Solve for x
    x = 90,696,163,392.96/365,218.40
  6. Step 6: Final answer
    x = 248,334.05

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1.5x scale

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.