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Finding the Fourth Proportional to 907.76, 1,359.81 and 701.61

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Solution

The fourth proportional to 907.76, 1,359.81 and 701.61 is: 1,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.76 : 1,359.81 = 701.61 : x
  2. Step 2: Convert to fraction form
    907.76/1,359.81 = 701.61/x
  3. Step 3: Cross multiply
    907.76x = 1,359.81 × 701.61
  4. Step 4: Simplify right side
    907.76x = 954,056.29
  5. Step 5: Solve for x
    x = 954,056.29/907.76
  6. Step 6: Final answer
    x = 1,051.01

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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.