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Finding the Fourth Proportional to 347,831.01, 480,045.49 and 194,894.10

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Solution

The fourth proportional to 347,831.01, 480,045.49 and 194,894.10 is: 268,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,831.01 : 480,045.49 = 194,894.10 : x
  2. Step 2: Convert to fraction form
    347,831.01/480,045.49 = 194,894.10/x
  3. Step 3: Cross multiply
    347,831.01x = 480,045.49 × 194,894.10
  4. Step 4: Simplify right side
    347,831.01x = 93,558,033,245.37
  5. Step 5: Solve for x
    x = 93,558,033,245.37/347,831.01
  6. Step 6: Final answer
    x = 268,975.54

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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.