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Finding the Fourth Proportional to 848.70, 1,170.74 and 597.01

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Solution

The fourth proportional to 848.70, 1,170.74 and 597.01 is: 823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.70 : 1,170.74 = 597.01 : x
  2. Step 2: Convert to fraction form
    848.70/1,170.74 = 597.01/x
  3. Step 3: Cross multiply
    848.70x = 1,170.74 × 597.01
  4. Step 4: Simplify right side
    848.70x = 698,943.49
  5. Step 5: Solve for x
    x = 698,943.49/848.70
  6. Step 6: Final answer
    x = 823.55

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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.