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Finding the Fourth Proportional to 264,304.72, 364,740.68 and 143,445.96

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Solution

The fourth proportional to 264,304.72, 364,740.68 and 143,445.96 is: 197,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,304.72 : 364,740.68 = 143,445.96 : x
  2. Step 2: Convert to fraction form
    264,304.72/364,740.68 = 143,445.96/x
  3. Step 3: Cross multiply
    264,304.72x = 364,740.68 × 143,445.96
  4. Step 4: Simplify right side
    264,304.72x = 52,320,576,993.65
  5. Step 5: Solve for x
    x = 52,320,576,993.65/264,304.72
  6. Step 6: Final answer
    x = 197,955.52

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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.