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Finding the Fourth Proportional to 358,225.85, 494,386.56 and 267,424.14

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Solution

The fourth proportional to 358,225.85, 494,386.56 and 267,424.14 is: 369,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,225.85 : 494,386.56 = 267,424.14 : x
  2. Step 2: Convert to fraction form
    358,225.85/494,386.56 = 267,424.14/x
  3. Step 3: Cross multiply
    358,225.85x = 494,386.56 × 267,424.14
  4. Step 4: Simplify right side
    358,225.85x = 132,210,900,635.56
  5. Step 5: Solve for x
    x = 132,210,900,635.56/358,225.85
  6. Step 6: Final answer
    x = 369,071.36

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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.