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Finding the Fourth Proportional to 495,059.72, 683,164.12 and 268,700.36

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Solution

The fourth proportional to 495,059.72, 683,164.12 and 268,700.36 is: 370,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,059.72 : 683,164.12 = 268,700.36 : x
  2. Step 2: Convert to fraction form
    495,059.72/683,164.12 = 268,700.36/x
  3. Step 3: Cross multiply
    495,059.72x = 683,164.12 × 268,700.36
  4. Step 4: Simplify right side
    495,059.72x = 183,566,444,983.08
  5. Step 5: Solve for x
    x = 183,566,444,983.08/495,059.72
  6. Step 6: Final answer
    x = 370,796.57

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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.