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Finding the Fourth Proportional to 301,368.39, 415,729.83 and 229,623.85

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Solution

The fourth proportional to 301,368.39, 415,729.83 and 229,623.85 is: 316,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,368.39 : 415,729.83 = 229,623.85 : x
  2. Step 2: Convert to fraction form
    301,368.39/415,729.83 = 229,623.85/x
  3. Step 3: Cross multiply
    301,368.39x = 415,729.83 × 229,623.85
  4. Step 4: Simplify right side
    301,368.39x = 95,461,484,124.45
  5. Step 5: Solve for x
    x = 95,461,484,124.45/301,368.39
  6. Step 6: Final answer
    x = 316,760.11

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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.