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Finding the Fourth Proportional to 736.61, 1,104.35 and 476.87

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Solution

The fourth proportional to 736.61, 1,104.35 and 476.87 is: 714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.61 : 1,104.35 = 476.87 : x
  2. Step 2: Convert to fraction form
    736.61/1,104.35 = 476.87/x
  3. Step 3: Cross multiply
    736.61x = 1,104.35 × 476.87
  4. Step 4: Simplify right side
    736.61x = 526,623.48
  5. Step 5: Solve for x
    x = 526,623.48/736.61
  6. Step 6: Final answer
    x = 714.93

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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.