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Finding the Fourth Proportional to 1,104.60, 1,656.48 and 373.96

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Solution

The fourth proportional to 1,104.60, 1,656.48 and 373.96 is: 560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.60 : 1,656.48 = 373.96 : x
  2. Step 2: Convert to fraction form
    1,104.60/1,656.48 = 373.96/x
  3. Step 3: Cross multiply
    1,104.60x = 1,656.48 × 373.96
  4. Step 4: Simplify right side
    1,104.60x = 619,457.26
  5. Step 5: Solve for x
    x = 619,457.26/1,104.60
  6. Step 6: Final answer
    x = 560.80

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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.