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Finding the Fourth Proportional to 334,658.40, 501,987.60 and 288,002.40

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Solution

The fourth proportional to 334,658.40, 501,987.60 and 288,002.40 is: 432,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,658.40 : 501,987.60 = 288,002.40 : x
  2. Step 2: Convert to fraction form
    334,658.40/501,987.60 = 288,002.40/x
  3. Step 3: Cross multiply
    334,658.40x = 501,987.60 × 288,002.40
  4. Step 4: Simplify right side
    334,658.40x = 144,573,633,570.24
  5. Step 5: Solve for x
    x = 144,573,633,570.24/334,658.40
  6. Step 6: Final answer
    x = 432,003.60

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