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Finding the Fourth Proportional to 358,897.71, 495,313.73 and 268,096.03

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Solution

The fourth proportional to 358,897.71, 495,313.73 and 268,096.03 is: 369,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,897.71 : 495,313.73 = 268,096.03 : x
  2. Step 2: Convert to fraction form
    358,897.71/495,313.73 = 268,096.03/x
  3. Step 3: Cross multiply
    358,897.71x = 495,313.73 × 268,096.03
  4. Step 4: Simplify right side
    358,897.71x = 132,791,644,617.49
  5. Step 5: Solve for x
    x = 132,791,644,617.49/358,897.71
  6. Step 6: Final answer
    x = 369,998.58

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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.