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Finding the Fourth Proportional to 264,325.79, 364,759.81 and 143,464.47

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Solution

The fourth proportional to 264,325.79, 364,759.81 and 143,464.47 is: 197,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,325.79 : 364,759.81 = 143,464.47 : x
  2. Step 2: Convert to fraction form
    264,325.79/364,759.81 = 143,464.47/x
  3. Step 3: Cross multiply
    264,325.79x = 364,759.81 × 143,464.47
  4. Step 4: Simplify right side
    264,325.79x = 52,330,072,818.95
  5. Step 5: Solve for x
    x = 52,330,072,818.95/264,325.79
  6. Step 6: Final answer
    x = 197,975.66

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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.