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Finding the Fourth Proportional to 922,502.40, 1,383,292.80 and 423,302.40

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Solution

The fourth proportional to 922,502.40, 1,383,292.80 and 423,302.40 is: 634,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,502.40 : 1,383,292.80 = 423,302.40 : x
  2. Step 2: Convert to fraction form
    922,502.40/1,383,292.80 = 423,302.40/x
  3. Step 3: Cross multiply
    922,502.40x = 1,383,292.80 × 423,302.40
  4. Step 4: Simplify right side
    922,502.40x = 585,551,162,142.72
  5. Step 5: Solve for x
    x = 585,551,162,142.72/922,502.40
  6. Step 6: Final answer
    x = 634,742.16

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