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Finding the Fourth Proportional to 300,479.83, 414,663.35 and 164,526.39

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Solution

The fourth proportional to 300,479.83, 414,663.35 and 164,526.39 is: 227,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,479.83 : 414,663.35 = 164,526.39 : x
  2. Step 2: Convert to fraction form
    300,479.83/414,663.35 = 164,526.39/x
  3. Step 3: Cross multiply
    300,479.83x = 414,663.35 × 164,526.39
  4. Step 4: Simplify right side
    300,479.83x = 68,223,064,143.64
  5. Step 5: Solve for x
    x = 68,223,064,143.64/300,479.83
  6. Step 6: Final answer
    x = 227,047.07

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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.