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Finding the Fourth Proportional to 893.06, 1,232.38 and 500.07

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Solution

The fourth proportional to 893.06, 1,232.38 and 500.07 is: 690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.06 : 1,232.38 = 500.07 : x
  2. Step 2: Convert to fraction form
    893.06/1,232.38 = 500.07/x
  3. Step 3: Cross multiply
    893.06x = 1,232.38 × 500.07
  4. Step 4: Simplify right side
    893.06x = 616,276.27
  5. Step 5: Solve for x
    x = 616,276.27/893.06
  6. Step 6: Final answer
    x = 690.07

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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.