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Finding the Fourth Proportional to 1,509.54, 2,264.33 and 414.01

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Solution

The fourth proportional to 1,509.54, 2,264.33 and 414.01 is: 621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.54 : 2,264.33 = 414.01 : x
  2. Step 2: Convert to fraction form
    1,509.54/2,264.33 = 414.01/x
  3. Step 3: Cross multiply
    1,509.54x = 2,264.33 × 414.01
  4. Step 4: Simplify right side
    1,509.54x = 937,455.26
  5. Step 5: Solve for x
    x = 937,455.26/1,509.54
  6. Step 6: Final answer
    x = 621.02

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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.