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Finding the Fourth Proportional to 1,043.02, 1,564.80 and 466.30

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Solution

The fourth proportional to 1,043.02, 1,564.80 and 466.30 is: 699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.02 : 1,564.80 = 466.30 : x
  2. Step 2: Convert to fraction form
    1,043.02/1,564.80 = 466.30/x
  3. Step 3: Cross multiply
    1,043.02x = 1,564.80 × 466.30
  4. Step 4: Simplify right side
    1,043.02x = 729,666.24
  5. Step 5: Solve for x
    x = 729,666.24/1,043.02
  6. Step 6: Final answer
    x = 699.57

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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.