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Finding the Fourth Proportional to 797.02, 1,099.73 and 465.46

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Solution

The fourth proportional to 797.02, 1,099.73 and 465.46 is: 642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.02 : 1,099.73 = 465.46 : x
  2. Step 2: Convert to fraction form
    797.02/1,099.73 = 465.46/x
  3. Step 3: Cross multiply
    797.02x = 1,099.73 × 465.46
  4. Step 4: Simplify right side
    797.02x = 511,878.74
  5. Step 5: Solve for x
    x = 511,878.74/797.02
  6. Step 6: Final answer
    x = 642.24

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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.