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Finding the Fourth Proportional to 1,164.69, 1,746.30 and 433.86

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Solution

The fourth proportional to 1,164.69, 1,746.30 and 433.86 is: 650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.69 : 1,746.30 = 433.86 : x
  2. Step 2: Convert to fraction form
    1,164.69/1,746.30 = 433.86/x
  3. Step 3: Cross multiply
    1,164.69x = 1,746.30 × 433.86
  4. Step 4: Simplify right side
    1,164.69x = 757,649.72
  5. Step 5: Solve for x
    x = 757,649.72/1,164.69
  6. Step 6: Final answer
    x = 650.52

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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.