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Finding the Fourth Proportional to 246,963.58, 370,402.32 and 69,428.39

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Solution

The fourth proportional to 246,963.58, 370,402.32 and 69,428.39 is: 104,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,963.58 : 370,402.32 = 69,428.39 : x
  2. Step 2: Convert to fraction form
    246,963.58/370,402.32 = 69,428.39/x
  3. Step 3: Cross multiply
    246,963.58x = 370,402.32 × 69,428.39
  4. Step 4: Simplify right side
    246,963.58x = 25,716,436,831.19
  5. Step 5: Solve for x
    x = 25,716,436,831.19/246,963.58
  6. Step 6: Final answer
    x = 104,130.48

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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.