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Finding the Fourth Proportional to 488,118.63, 730,916.33 and 336,782.33

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Solution

The fourth proportional to 488,118.63, 730,916.33 and 336,782.33 is: 504,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,118.63 : 730,916.33 = 336,782.33 : x
  2. Step 2: Convert to fraction form
    488,118.63/730,916.33 = 336,782.33/x
  3. Step 3: Cross multiply
    488,118.63x = 730,916.33 × 336,782.33
  4. Step 4: Simplify right side
    488,118.63x = 246,159,706,166.30
  5. Step 5: Solve for x
    x = 246,159,706,166.30/488,118.63
  6. Step 6: Final answer
    x = 504,303.03

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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.