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Finding the Fourth Proportional to 1,300.69, 1,951.64 and 753.33

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Solution

The fourth proportional to 1,300.69, 1,951.64 and 753.33 is: 1,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.69 : 1,951.64 = 753.33 : x
  2. Step 2: Convert to fraction form
    1,300.69/1,951.64 = 753.33/x
  3. Step 3: Cross multiply
    1,300.69x = 1,951.64 × 753.33
  4. Step 4: Simplify right side
    1,300.69x = 1,470,228.96
  5. Step 5: Solve for x
    x = 1,470,228.96/1,300.69
  6. Step 6: Final answer
    x = 1,130.35

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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.