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Finding the Fourth Proportional to 676,542.82, 933,630.21 and 370,612.53

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Solution

The fourth proportional to 676,542.82, 933,630.21 and 370,612.53 is: 511,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,542.82 : 933,630.21 = 370,612.53 : x
  2. Step 2: Convert to fraction form
    676,542.82/933,630.21 = 370,612.53/x
  3. Step 3: Cross multiply
    676,542.82x = 933,630.21 × 370,612.53
  4. Step 4: Simplify right side
    676,542.82x = 346,015,055,602.33
  5. Step 5: Solve for x
    x = 346,015,055,602.33/676,542.82
  6. Step 6: Final answer
    x = 511,445.91

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