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Finding the Fourth Proportional to 450,770,381.82, 622,061,739.03 and 249,840,069.06

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Solution

The fourth proportional to 450,770,381.82, 622,061,739.03 and 249,840,069.06 is: 344,778,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,770,381.82 : 622,061,739.03 = 249,840,069.06 : x
  2. Step 2: Convert to fraction form
    450,770,381.82/622,061,739.03 = 249,840,069.06/x
  3. Step 3: Cross multiply
    450,770,381.82x = 622,061,739.03 × 249,840,069.06
  4. Step 4: Simplify right side
    450,770,381.82x = 155,415,947,838,838,880
  5. Step 5: Solve for x
    x = 155,415,947,838,838,880/450,770,381.82
  6. Step 6: Final answer
    x = 344,778,526.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.