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Finding the Fourth Proportional to 978,252.72, 1,349,960.70 and 596,140.08

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Solution

The fourth proportional to 978,252.72, 1,349,960.70 and 596,140.08 is: 822,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,252.72 : 1,349,960.70 = 596,140.08 : x
  2. Step 2: Convert to fraction form
    978,252.72/1,349,960.70 = 596,140.08/x
  3. Step 3: Cross multiply
    978,252.72x = 1,349,960.70 × 596,140.08
  4. Step 4: Simplify right side
    978,252.72x = 804,765,679,694.86
  5. Step 5: Solve for x
    x = 804,765,679,694.86/978,252.72
  6. Step 6: Final answer
    x = 822,656.21

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Why These Related Problems?

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