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Finding the Fourth Proportional to 768,094.32, 1,152,141.60 and 207,128.88

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Solution

The fourth proportional to 768,094.32, 1,152,141.60 and 207,128.88 is: 310,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,094.32 : 1,152,141.60 = 207,128.88 : x
  2. Step 2: Convert to fraction form
    768,094.32/1,152,141.60 = 207,128.88/x
  3. Step 3: Cross multiply
    768,094.32x = 1,152,141.60 × 207,128.88
  4. Step 4: Simplify right side
    768,094.32x = 238,641,799,209.41
  5. Step 5: Solve for x
    x = 238,641,799,209.41/768,094.32
  6. Step 6: Final answer
    x = 310,693.35

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