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Finding the Fourth Proportional to 1,655.52, 2,483.66 and 501.28

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Solution

The fourth proportional to 1,655.52, 2,483.66 and 501.28 is: 752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.52 : 2,483.66 = 501.28 : x
  2. Step 2: Convert to fraction form
    1,655.52/2,483.66 = 501.28/x
  3. Step 3: Cross multiply
    1,655.52x = 2,483.66 × 501.28
  4. Step 4: Simplify right side
    1,655.52x = 1,245,009.08
  5. Step 5: Solve for x
    x = 1,245,009.08/1,655.52
  6. Step 6: Final answer
    x = 752.04

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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.