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Finding the Fourth Proportional to 676,539.88, 933,626.14 and 370,609.55

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Solution

The fourth proportional to 676,539.88, 933,626.14 and 370,609.55 is: 511,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,539.88 : 933,626.14 = 370,609.55 : x
  2. Step 2: Convert to fraction form
    676,539.88/933,626.14 = 370,609.55/x
  3. Step 3: Cross multiply
    676,539.88x = 933,626.14 × 370,609.55
  4. Step 4: Simplify right side
    676,539.88x = 346,010,763,613.64
  5. Step 5: Solve for x
    x = 346,010,763,613.64/676,539.88
  6. Step 6: Final answer
    x = 511,441.78

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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.