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Finding the Fourth Proportional to 452,017.52, 623,898.84 and 308,835.44

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Solution

The fourth proportional to 452,017.52, 623,898.84 and 308,835.44 is: 426,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,017.52 : 623,898.84 = 308,835.44 : x
  2. Step 2: Convert to fraction form
    452,017.52/623,898.84 = 308,835.44/x
  3. Step 3: Cross multiply
    452,017.52x = 623,898.84 × 308,835.44
  4. Step 4: Simplify right side
    452,017.52x = 192,682,072,766.89
  5. Step 5: Solve for x
    x = 192,682,072,766.89/452,017.52
  6. Step 6: Final answer
    x = 426,271.25

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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.