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Finding the Fourth Proportional to 705,457.71, 973,503.99 and 418,970.43

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Solution

The fourth proportional to 705,457.71, 973,503.99 and 418,970.43 is: 578,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,457.71 : 973,503.99 = 418,970.43 : x
  2. Step 2: Convert to fraction form
    705,457.71/973,503.99 = 418,970.43/x
  3. Step 3: Cross multiply
    705,457.71x = 973,503.99 × 418,970.43
  4. Step 4: Simplify right side
    705,457.71x = 407,869,385,297.02
  5. Step 5: Solve for x
    x = 407,869,385,297.02/705,457.71
  6. Step 6: Final answer
    x = 578,162.77

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