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Finding the Fourth Proportional to 322,431,798.70, 482,938,776.71 and 266,465,353.34

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Solution

The fourth proportional to 322,431,798.70, 482,938,776.71 and 266,465,353.34 is: 399,112,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,431,798.70 : 482,938,776.71 = 266,465,353.34 : x
  2. Step 2: Convert to fraction form
    322,431,798.70/482,938,776.71 = 266,465,353.34/x
  3. Step 3: Cross multiply
    322,431,798.70x = 482,938,776.71 × 266,465,353.34
  4. Step 4: Simplify right side
    322,431,798.70x = 128,686,451,777,617,504
  5. Step 5: Solve for x
    x = 128,686,451,777,617,504/322,431,798.70
  6. Step 6: Final answer
    x = 399,112,160.45

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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.