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Finding the Fourth Proportional to 439,339.52, 658,880.10 and 186,618.00

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Solution

The fourth proportional to 439,339.52, 658,880.10 and 186,618.00 is: 279,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,339.52 : 658,880.10 = 186,618.00 : x
  2. Step 2: Convert to fraction form
    439,339.52/658,880.10 = 186,618.00/x
  3. Step 3: Cross multiply
    439,339.52x = 658,880.10 × 186,618.00
  4. Step 4: Simplify right side
    439,339.52x = 122,958,886,594.64
  5. Step 5: Solve for x
    x = 122,958,886,594.64/439,339.52
  6. Step 6: Final answer
    x = 279,872.13

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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.