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Finding the Fourth Proportional to 1,197.19, 1,652.40 and 700.06

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Solution

The fourth proportional to 1,197.19, 1,652.40 and 700.06 is: 966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.19 : 1,652.40 = 700.06 : x
  2. Step 2: Convert to fraction form
    1,197.19/1,652.40 = 700.06/x
  3. Step 3: Cross multiply
    1,197.19x = 1,652.40 × 700.06
  4. Step 4: Simplify right side
    1,197.19x = 1,156,779.14
  5. Step 5: Solve for x
    x = 1,156,779.14/1,197.19
  6. Step 6: Final answer
    x = 966.25

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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.