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Finding the Fourth Proportional to 1,300.93, 1,795.29 and 711.46

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Solution

The fourth proportional to 1,300.93, 1,795.29 and 711.46 is: 981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.93 : 1,795.29 = 711.46 : x
  2. Step 2: Convert to fraction form
    1,300.93/1,795.29 = 711.46/x
  3. Step 3: Cross multiply
    1,300.93x = 1,795.29 × 711.46
  4. Step 4: Simplify right side
    1,300.93x = 1,277,276.60
  5. Step 5: Solve for x
    x = 1,277,276.60/1,300.93
  6. Step 6: Final answer
    x = 981.82

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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.