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Finding the Fourth Proportional to 264,328.42, 364,772.30 and 143,469.71

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Solution

The fourth proportional to 264,328.42, 364,772.30 and 143,469.71 is: 197,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,328.42 : 364,772.30 = 143,469.71 : x
  2. Step 2: Convert to fraction form
    264,328.42/364,772.30 = 143,469.71/x
  3. Step 3: Cross multiply
    264,328.42x = 364,772.30 × 143,469.71
  4. Step 4: Simplify right side
    264,328.42x = 52,333,776,097.03
  5. Step 5: Solve for x
    x = 52,333,776,097.03/264,328.42
  6. Step 6: Final answer
    x = 197,987.70

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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.