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Finding the Fourth Proportional to 841.12, 1,258.32 and 597.76

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Solution

The fourth proportional to 841.12, 1,258.32 and 597.76 is: 894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.12 : 1,258.32 = 597.76 : x
  2. Step 2: Convert to fraction form
    841.12/1,258.32 = 597.76/x
  3. Step 3: Cross multiply
    841.12x = 1,258.32 × 597.76
  4. Step 4: Simplify right side
    841.12x = 752,173.36
  5. Step 5: Solve for x
    x = 752,173.36/841.12
  6. Step 6: Final answer
    x = 894.25

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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.