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Finding the Fourth Proportional to 533,709.27, 736,785.33 and 307,311.03

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Solution

The fourth proportional to 533,709.27, 736,785.33 and 307,311.03 is: 424,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,709.27 : 736,785.33 = 307,311.03 : x
  2. Step 2: Convert to fraction form
    533,709.27/736,785.33 = 307,311.03/x
  3. Step 3: Cross multiply
    533,709.27x = 736,785.33 × 307,311.03
  4. Step 4: Simplify right side
    533,709.27x = 226,422,258,651.19
  5. Step 5: Solve for x
    x = 226,422,258,651.19/533,709.27
  6. Step 6: Final answer
    x = 424,242.69

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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.