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Finding the Fourth Proportional to 341,054.23, 511,580.98 and 91,736.23

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Solution

The fourth proportional to 341,054.23, 511,580.98 and 91,736.23 is: 137,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,054.23 : 511,580.98 = 91,736.23 : x
  2. Step 2: Convert to fraction form
    341,054.23/511,580.98 = 91,736.23/x
  3. Step 3: Cross multiply
    341,054.23x = 511,580.98 × 91,736.23
  4. Step 4: Simplify right side
    341,054.23x = 46,930,510,444.91
  5. Step 5: Solve for x
    x = 46,930,510,444.91/341,054.23
  6. Step 6: Final answer
    x = 137,604.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.