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Finding the Fourth Proportional to 264,292.88, 364,724.36 and 143,434.13

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Solution

The fourth proportional to 264,292.88, 364,724.36 and 143,434.13 is: 197,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,292.88 : 364,724.36 = 143,434.13 : x
  2. Step 2: Convert to fraction form
    264,292.88/364,724.36 = 143,434.13/x
  3. Step 3: Cross multiply
    264,292.88x = 364,724.36 × 143,434.13
  4. Step 4: Simplify right side
    264,292.88x = 52,313,921,461.05
  5. Step 5: Solve for x
    x = 52,313,921,461.05/264,292.88
  6. Step 6: Final answer
    x = 197,939.20

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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.