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Finding the Fourth Proportional to 385,085.01, 577,629.14 and 252,802.29

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Solution

The fourth proportional to 385,085.01, 577,629.14 and 252,802.29 is: 379,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,085.01 : 577,629.14 = 252,802.29 : x
  2. Step 2: Convert to fraction form
    385,085.01/577,629.14 = 252,802.29/x
  3. Step 3: Cross multiply
    385,085.01x = 577,629.14 × 252,802.29
  4. Step 4: Simplify right side
    385,085.01x = 146,025,968,098.72
  5. Step 5: Solve for x
    x = 146,025,968,098.72/385,085.01
  6. Step 6: Final answer
    x = 379,204.50

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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.