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Finding the Fourth Proportional to 1,655.50, 2,483.66 and 501.25

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Solution

The fourth proportional to 1,655.50, 2,483.66 and 501.25 is: 752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.50 : 2,483.66 = 501.25 : x
  2. Step 2: Convert to fraction form
    1,655.50/2,483.66 = 501.25/x
  3. Step 3: Cross multiply
    1,655.50x = 2,483.66 × 501.25
  4. Step 4: Simplify right side
    1,655.50x = 1,244,934.58
  5. Step 5: Solve for x
    x = 1,244,934.58/1,655.50
  6. Step 6: Final answer
    x = 752.00

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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.