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Finding the Fourth Proportional to 424,271.47, 585,492.59 and 249,942.88

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Solution

The fourth proportional to 424,271.47, 585,492.59 and 249,942.88 is: 344,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,271.47 : 585,492.59 = 249,942.88 : x
  2. Step 2: Convert to fraction form
    424,271.47/585,492.59 = 249,942.88/x
  3. Step 3: Cross multiply
    424,271.47x = 585,492.59 × 249,942.88
  4. Step 4: Simplify right side
    424,271.47x = 146,339,704,163.26
  5. Step 5: Solve for x
    x = 146,339,704,163.26/424,271.47
  6. Step 6: Final answer
    x = 344,919.97

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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.