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Finding the Fourth Proportional to 522,969.72, 784,455.06 and 365,505.72

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Solution

The fourth proportional to 522,969.72, 784,455.06 and 365,505.72 is: 548,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,969.72 : 784,455.06 = 365,505.72 : x
  2. Step 2: Convert to fraction form
    522,969.72/784,455.06 = 365,505.72/x
  3. Step 3: Cross multiply
    522,969.72x = 784,455.06 × 365,505.72
  4. Step 4: Simplify right side
    522,969.72x = 286,722,811,512.94
  5. Step 5: Solve for x
    x = 286,722,811,512.94/522,969.72
  6. Step 6: Final answer
    x = 548,258.92

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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.