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Finding the Fourth Proportional to 706,153.55, 974,508.66 and 400,261.10

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Solution

The fourth proportional to 706,153.55, 974,508.66 and 400,261.10 is: 552,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,153.55 : 974,508.66 = 400,261.10 : x
  2. Step 2: Convert to fraction form
    706,153.55/974,508.66 = 400,261.10/x
  3. Step 3: Cross multiply
    706,153.55x = 974,508.66 × 400,261.10
  4. Step 4: Simplify right side
    706,153.55x = 390,057,903,338.58
  5. Step 5: Solve for x
    x = 390,057,903,338.58/706,153.55
  6. Step 6: Final answer
    x = 552,369.82

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