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Finding the Fourth Proportional to 304,668.81, 457,096.64 and 136,330.83

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Solution

The fourth proportional to 304,668.81, 457,096.64 and 136,330.83 is: 204,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,668.81 : 457,096.64 = 136,330.83 : x
  2. Step 2: Convert to fraction form
    304,668.81/457,096.64 = 136,330.83/x
  3. Step 3: Cross multiply
    304,668.81x = 457,096.64 × 136,330.83
  4. Step 4: Simplify right side
    304,668.81x = 62,316,363,639.76
  5. Step 5: Solve for x
    x = 62,316,363,639.76/304,668.81
  6. Step 6: Final answer
    x = 204,538.05

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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.