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Finding the Fourth Proportional to 620,241,598.80, 855,939,145.95 and 341,793,086.58

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Solution

The fourth proportional to 620,241,598.80, 855,939,145.95 and 341,793,086.58 is: 471,677,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,241,598.80 : 855,939,145.95 = 341,793,086.58 : x
  2. Step 2: Convert to fraction form
    620,241,598.80/855,939,145.95 = 341,793,086.58/x
  3. Step 3: Cross multiply
    620,241,598.80x = 855,939,145.95 × 341,793,086.58
  4. Step 4: Simplify right side
    620,241,598.80x = 292,554,082,618,899,584
  5. Step 5: Solve for x
    x = 292,554,082,618,899,584/620,241,598.80
  6. Step 6: Final answer
    x = 471,677,622.37

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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.