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Finding the Fourth Proportional to 365,366.40, 547,790.40 and 165,782.40

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Solution

The fourth proportional to 365,366.40, 547,790.40 and 165,782.40 is: 248,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,366.40 : 547,790.40 = 165,782.40 : x
  2. Step 2: Convert to fraction form
    365,366.40/547,790.40 = 165,782.40/x
  3. Step 3: Cross multiply
    365,366.40x = 547,790.40 × 165,782.40
  4. Step 4: Simplify right side
    365,366.40x = 90,814,007,208.96
  5. Step 5: Solve for x
    x = 90,814,007,208.96/365,366.40
  6. Step 6: Final answer
    x = 248,555.99

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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.