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Finding the Fourth Proportional to 1,030.53, 1,544.72 and 482.25

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Solution

The fourth proportional to 1,030.53, 1,544.72 and 482.25 is: 722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.53 : 1,544.72 = 482.25 : x
  2. Step 2: Convert to fraction form
    1,030.53/1,544.72 = 482.25/x
  3. Step 3: Cross multiply
    1,030.53x = 1,544.72 × 482.25
  4. Step 4: Simplify right side
    1,030.53x = 744,938.81
  5. Step 5: Solve for x
    x = 744,938.81/1,030.53
  6. Step 6: Final answer
    x = 722.87

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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.