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Finding the Fourth Proportional to 356,570.65, 492,071.35 and 195,422.23

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Solution

The fourth proportional to 356,570.65, 492,071.35 and 195,422.23 is: 269,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,570.65 : 492,071.35 = 195,422.23 : x
  2. Step 2: Convert to fraction form
    356,570.65/492,071.35 = 195,422.23/x
  3. Step 3: Cross multiply
    356,570.65x = 492,071.35 × 195,422.23
  4. Step 4: Simplify right side
    356,570.65x = 96,161,680,536.11
  5. Step 5: Solve for x
    x = 96,161,680,536.11/356,570.65
  6. Step 6: Final answer
    x = 269,684.79

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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.