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Finding the Fourth Proportional to 1,214,648.20, 1,821,972.30 and 549,800.20

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Solution

The fourth proportional to 1,214,648.20, 1,821,972.30 and 549,800.20 is: 824,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,648.20 : 1,821,972.30 = 549,800.20 : x
  2. Step 2: Convert to fraction form
    1,214,648.20/1,821,972.30 = 549,800.20/x
  3. Step 3: Cross multiply
    1,214,648.20x = 1,821,972.30 × 549,800.20
  4. Step 4: Simplify right side
    1,214,648.20x = 1,001,720,734,934.46
  5. Step 5: Solve for x
    x = 1,001,720,734,934.46/1,214,648.20
  6. Step 6: Final answer
    x = 824,700.30

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