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Finding the Fourth Proportional to 468,418.15, 702,955.28 and 202,369.60

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Solution

The fourth proportional to 468,418.15, 702,955.28 and 202,369.60 is: 303,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,418.15 : 702,955.28 = 202,369.60 : x
  2. Step 2: Convert to fraction form
    468,418.15/702,955.28 = 202,369.60/x
  3. Step 3: Cross multiply
    468,418.15x = 702,955.28 × 202,369.60
  4. Step 4: Simplify right side
    468,418.15x = 142,256,778,831.49
  5. Step 5: Solve for x
    x = 142,256,778,831.49/468,418.15
  6. Step 6: Final answer
    x = 303,696.13

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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.