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Finding the Fourth Proportional to 881,442, 1,322,280.62 and 348,838.48

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Solution

The fourth proportional to 881,442, 1,322,280.62 and 348,838.48 is: 523,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,442 : 1,322,280.62 = 348,838.48 : x
  2. Step 2: Convert to fraction form
    881,442/1,322,280.62 = 348,838.48/x
  3. Step 3: Cross multiply
    881,442x = 1,322,280.62 × 348,838.48
  4. Step 4: Simplify right side
    881,442x = 461,262,362,831.06
  5. Step 5: Solve for x
    x = 461,262,362,831.06/881,442
  6. Step 6: Final answer
    x = 523,304.27

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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.