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Finding the Fourth Proportional to 356,618.84, 492,126.21 and 195,470.42

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Solution

The fourth proportional to 356,618.84, 492,126.21 and 195,470.42 is: 269,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,618.84 : 492,126.21 = 195,470.42 : x
  2. Step 2: Convert to fraction form
    356,618.84/492,126.21 = 195,470.42/x
  3. Step 3: Cross multiply
    356,618.84x = 492,126.21 × 195,470.42
  4. Step 4: Simplify right side
    356,618.84x = 96,196,114,501.08
  5. Step 5: Solve for x
    x = 96,196,114,501.08/356,618.84
  6. Step 6: Final answer
    x = 269,744.91

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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.