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Finding the Fourth Proportional to 479,177.82, 718,831.53 and 163,549.98

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Solution

The fourth proportional to 479,177.82, 718,831.53 and 163,549.98 is: 245,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,177.82 : 718,831.53 = 163,549.98 : x
  2. Step 2: Convert to fraction form
    479,177.82/718,831.53 = 163,549.98/x
  3. Step 3: Cross multiply
    479,177.82x = 718,831.53 × 163,549.98
  4. Step 4: Simplify right side
    479,177.82x = 117,564,882,354.87
  5. Step 5: Solve for x
    x = 117,564,882,354.87/479,177.82
  6. Step 6: Final answer
    x = 245,347.09

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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.