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Finding the Fourth Proportional to 404,600,577.80, 605,109,276.30 and 340,103,323.40

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Solution

The fourth proportional to 404,600,577.80, 605,109,276.30 and 340,103,323.40 is: 508,648,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,600,577.80 : 605,109,276.30 = 340,103,323.40 : x
  2. Step 2: Convert to fraction form
    404,600,577.80/605,109,276.30 = 340,103,323.40/x
  3. Step 3: Cross multiply
    404,600,577.80x = 605,109,276.30 × 340,103,323.40
  4. Step 4: Simplify right side
    404,600,577.80x = 205,799,675,889,798,816
  5. Step 5: Solve for x
    x = 205,799,675,889,798,816/404,600,577.80
  6. Step 6: Final answer
    x = 508,648,991.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.