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Finding the Fourth Proportional to 264,307.29, 364,744.32 and 143,448.60

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Solution

The fourth proportional to 264,307.29, 364,744.32 and 143,448.60 is: 197,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,307.29 : 364,744.32 = 143,448.60 : x
  2. Step 2: Convert to fraction form
    264,307.29/364,744.32 = 143,448.60/x
  3. Step 3: Cross multiply
    264,307.29x = 364,744.32 × 143,448.60
  4. Step 4: Simplify right side
    264,307.29x = 52,322,062,891.81
  5. Step 5: Solve for x
    x = 52,322,062,891.81/264,307.29
  6. Step 6: Final answer
    x = 197,959.21

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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.