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Finding the Fourth Proportional to 767.47, 1,059.03 and 435.93

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Solution

The fourth proportional to 767.47, 1,059.03 and 435.93 is: 601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    767.47 : 1,059.03 = 435.93 : x
  2. Step 2: Convert to fraction form
    767.47/1,059.03 = 435.93/x
  3. Step 3: Cross multiply
    767.47x = 1,059.03 × 435.93
  4. Step 4: Simplify right side
    767.47x = 461,662.95
  5. Step 5: Solve for x
    x = 461,662.95/767.47
  6. Step 6: Final answer
    x = 601.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.