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Finding the Fourth Proportional to 834.48, 1,150.38 and 598.32

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Solution

The fourth proportional to 834.48, 1,150.38 and 598.32 is: 824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.48 : 1,150.38 = 598.32 : x
  2. Step 2: Convert to fraction form
    834.48/1,150.38 = 598.32/x
  3. Step 3: Cross multiply
    834.48x = 1,150.38 × 598.32
  4. Step 4: Simplify right side
    834.48x = 688,295.36
  5. Step 5: Solve for x
    x = 688,295.36/834.48
  6. Step 6: Final answer
    x = 824.82

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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.