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Finding the Fourth Proportional to 653,363.79, 978,733.47 and 297,888.81

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Solution

The fourth proportional to 653,363.79, 978,733.47 and 297,888.81 is: 446,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,363.79 : 978,733.47 = 297,888.81 : x
  2. Step 2: Convert to fraction form
    653,363.79/978,733.47 = 297,888.81/x
  3. Step 3: Cross multiply
    653,363.79x = 978,733.47 × 297,888.81
  4. Step 4: Simplify right side
    653,363.79x = 291,553,748,685.47
  5. Step 5: Solve for x
    x = 291,553,748,685.47/653,363.79
  6. Step 6: Final answer
    x = 446,234.94

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