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Finding the Fourth Proportional to 264,256.39, 364,674.80 and 143,397.70

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Solution

The fourth proportional to 264,256.39, 364,674.80 and 143,397.70 is: 197,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,256.39 : 364,674.80 = 143,397.70 : x
  2. Step 2: Convert to fraction form
    264,256.39/364,674.80 = 143,397.70/x
  3. Step 3: Cross multiply
    264,256.39x = 364,674.80 × 143,397.70
  4. Step 4: Simplify right side
    264,256.39x = 52,293,525,939.28
  5. Step 5: Solve for x
    x = 52,293,525,939.28/264,256.39
  6. Step 6: Final answer
    x = 197,889.35

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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.