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Finding the Fourth Proportional to 373,441.26, 515,256.72 and 220,483.02

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Solution

The fourth proportional to 373,441.26, 515,256.72 and 220,483.02 is: 304,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,441.26 : 515,256.72 = 220,483.02 : x
  2. Step 2: Convert to fraction form
    373,441.26/515,256.72 = 220,483.02/x
  3. Step 3: Cross multiply
    373,441.26x = 515,256.72 × 220,483.02
  4. Step 4: Simplify right side
    373,441.26x = 113,605,357,700.89
  5. Step 5: Solve for x
    x = 113,605,357,700.89/373,441.26
  6. Step 6: Final answer
    x = 304,212.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.