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Finding the Fourth Proportional to 676,350.25, 933,377.43 and 370,439.53

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Solution

The fourth proportional to 676,350.25, 933,377.43 and 370,439.53 is: 511,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,350.25 : 933,377.43 = 370,439.53 : x
  2. Step 2: Convert to fraction form
    676,350.25/933,377.43 = 370,439.53/x
  3. Step 3: Cross multiply
    676,350.25x = 933,377.43 × 370,439.53
  4. Step 4: Simplify right side
    676,350.25x = 345,759,893,453.79
  5. Step 5: Solve for x
    x = 345,759,893,453.79/676,350.25
  6. Step 6: Final answer
    x = 511,214.26

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1.5x scale

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.