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Finding the Fourth Proportional to 264,295.69, 364,728.24 and 143,436.95

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Solution

The fourth proportional to 264,295.69, 364,728.24 and 143,436.95 is: 197,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,295.69 : 364,728.24 = 143,436.95 : x
  2. Step 2: Convert to fraction form
    264,295.69/364,728.24 = 143,436.95/x
  3. Step 3: Cross multiply
    264,295.69x = 364,728.24 × 143,436.95
  4. Step 4: Simplify right side
    264,295.69x = 52,315,506,324.47
  5. Step 5: Solve for x
    x = 52,315,506,324.47/264,295.69
  6. Step 6: Final answer
    x = 197,943.09

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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.