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Finding the Fourth Proportional to 456,130.55, 629,458.58 and 254,926.55

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Solution

The fourth proportional to 456,130.55, 629,458.58 and 254,926.55 is: 351,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,130.55 : 629,458.58 = 254,926.55 : x
  2. Step 2: Convert to fraction form
    456,130.55/629,458.58 = 254,926.55/x
  3. Step 3: Cross multiply
    456,130.55x = 629,458.58 × 254,926.55
  4. Step 4: Simplify right side
    456,130.55x = 160,465,699,745.37
  5. Step 5: Solve for x
    x = 160,465,699,745.37/456,130.55
  6. Step 6: Final answer
    x = 351,797.75

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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.