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Finding the Fourth Proportional to 977.03, 1,466.57 and 587.98

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Solution

The fourth proportional to 977.03, 1,466.57 and 587.98 is: 882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.03 : 1,466.57 = 587.98 : x
  2. Step 2: Convert to fraction form
    977.03/1,466.57 = 587.98/x
  3. Step 3: Cross multiply
    977.03x = 1,466.57 × 587.98
  4. Step 4: Simplify right side
    977.03x = 862,307.22
  5. Step 5: Solve for x
    x = 862,307.22/977.03
  6. Step 6: Final answer
    x = 882.58

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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.