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Finding the Fourth Proportional to 1,104.18, 1,656.28 and 373.76

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Solution

The fourth proportional to 1,104.18, 1,656.28 and 373.76 is: 560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.18 : 1,656.28 = 373.76 : x
  2. Step 2: Convert to fraction form
    1,104.18/1,656.28 = 373.76/x
  3. Step 3: Cross multiply
    1,104.18x = 1,656.28 × 373.76
  4. Step 4: Simplify right side
    1,104.18x = 619,051.21
  5. Step 5: Solve for x
    x = 619,051.21/1,104.18
  6. Step 6: Final answer
    x = 560.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.