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Finding the Fourth Proportional to 647,762.98, 971,411.19 and 273,815.14

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Solution

The fourth proportional to 647,762.98, 971,411.19 and 273,815.14 is: 410,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,762.98 : 971,411.19 = 273,815.14 : x
  2. Step 2: Convert to fraction form
    647,762.98/971,411.19 = 273,815.14/x
  3. Step 3: Cross multiply
    647,762.98x = 971,411.19 × 273,815.14
  4. Step 4: Simplify right side
    647,762.98x = 265,987,090,987.42
  5. Step 5: Solve for x
    x = 265,987,090,987.42/647,762.98
  6. Step 6: Final answer
    x = 410,624.10

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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.