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Finding the Fourth Proportional to 296,805.60, 444,916.80 and 265,312.80

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Solution

The fourth proportional to 296,805.60, 444,916.80 and 265,312.80 is: 397,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,805.60 : 444,916.80 = 265,312.80 : x
  2. Step 2: Convert to fraction form
    296,805.60/444,916.80 = 265,312.80/x
  3. Step 3: Cross multiply
    296,805.60x = 444,916.80 × 265,312.80
  4. Step 4: Simplify right side
    296,805.60x = 118,042,121,975.04
  5. Step 5: Solve for x
    x = 118,042,121,975.04/296,805.60
  6. Step 6: Final answer
    x = 397,708.54

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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.