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Finding the Fourth Proportional to 1,655.64, 2,483.46 and 501.42

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Solution

The fourth proportional to 1,655.64, 2,483.46 and 501.42 is: 752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.64 : 2,483.46 = 501.42 : x
  2. Step 2: Convert to fraction form
    1,655.64/2,483.46 = 501.42/x
  3. Step 3: Cross multiply
    1,655.64x = 2,483.46 × 501.42
  4. Step 4: Simplify right side
    1,655.64x = 1,245,256.51
  5. Step 5: Solve for x
    x = 1,245,256.51/1,655.64
  6. Step 6: Final answer
    x = 752.13

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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.