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Finding the Fourth Proportional to 567,537,978.11, 783,202,063.35 and 306,777,594.11

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Solution

The fourth proportional to 567,537,978.11, 783,202,063.35 and 306,777,594.11 is: 423,352,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,537,978.11 : 783,202,063.35 = 306,777,594.11 : x
  2. Step 2: Convert to fraction form
    567,537,978.11/783,202,063.35 = 306,777,594.11/x
  3. Step 3: Cross multiply
    567,537,978.11x = 783,202,063.35 × 306,777,594.11
  4. Step 4: Simplify right side
    567,537,978.11x = 240,268,844,692,584,832
  5. Step 5: Solve for x
    x = 240,268,844,692,584,832/567,537,978.11
  6. Step 6: Final answer
    x = 423,352,892.60

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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.