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Finding the Fourth Proportional to 365,216.40, 547,565.40 and 165,632.40

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Solution

The fourth proportional to 365,216.40, 547,565.40 and 165,632.40 is: 248,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,216.40 : 547,565.40 = 165,632.40 : x
  2. Step 2: Convert to fraction form
    365,216.40/547,565.40 = 165,632.40/x
  3. Step 3: Cross multiply
    365,216.40x = 547,565.40 × 165,632.40
  4. Step 4: Simplify right side
    365,216.40x = 90,694,571,358.96
  5. Step 5: Solve for x
    x = 90,694,571,358.96/365,216.40
  6. Step 6: Final answer
    x = 248,331.05

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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.