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Finding the Fourth Proportional to 977.22, 1,466.00 and 360.93

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Solution

The fourth proportional to 977.22, 1,466.00 and 360.93 is: 541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.22 : 1,466.00 = 360.93 : x
  2. Step 2: Convert to fraction form
    977.22/1,466.00 = 360.93/x
  3. Step 3: Cross multiply
    977.22x = 1,466.00 × 360.93
  4. Step 4: Simplify right side
    977.22x = 529,122.93
  5. Step 5: Solve for x
    x = 529,122.93/977.22
  6. Step 6: Final answer
    x = 541.46

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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.