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Finding the Fourth Proportional to 1,303.04, 1,953.93 and 481.70

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Solution

The fourth proportional to 1,303.04, 1,953.93 and 481.70 is: 722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.04 : 1,953.93 = 481.70 : x
  2. Step 2: Convert to fraction form
    1,303.04/1,953.93 = 481.70/x
  3. Step 3: Cross multiply
    1,303.04x = 1,953.93 × 481.70
  4. Step 4: Simplify right side
    1,303.04x = 941,208.08
  5. Step 5: Solve for x
    x = 941,208.08/1,303.04
  6. Step 6: Final answer
    x = 722.32

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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.