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Finding the Fourth Proportional to 1,483.42, 2,224.58 and 509.26

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Solution

The fourth proportional to 1,483.42, 2,224.58 and 509.26 is: 763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.42 : 2,224.58 = 509.26 : x
  2. Step 2: Convert to fraction form
    1,483.42/2,224.58 = 509.26/x
  3. Step 3: Cross multiply
    1,483.42x = 2,224.58 × 509.26
  4. Step 4: Simplify right side
    1,483.42x = 1,132,889.61
  5. Step 5: Solve for x
    x = 1,132,889.61/1,483.42
  6. Step 6: Final answer
    x = 763.70

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1.5x scale

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.