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Finding the Fourth Proportional to 405,437.40, 608,459.04 and 152,966.88

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Solution

The fourth proportional to 405,437.40, 608,459.04 and 152,966.88 is: 229,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,437.40 : 608,459.04 = 152,966.88 : x
  2. Step 2: Convert to fraction form
    405,437.40/608,459.04 = 152,966.88/x
  3. Step 3: Cross multiply
    405,437.40x = 608,459.04 × 152,966.88
  4. Step 4: Simplify right side
    405,437.40x = 93,074,080,956.60
  5. Step 5: Solve for x
    x = 93,074,080,956.60/405,437.40
  6. Step 6: Final answer
    x = 229,564.62

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