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Finding the Fourth Proportional to 676,645.55, 933,770.83 and 370,733.53

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Solution

The fourth proportional to 676,645.55, 933,770.83 and 370,733.53 is: 511,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,645.55 : 933,770.83 = 370,733.53 : x
  2. Step 2: Convert to fraction form
    676,645.55/933,770.83 = 370,733.53/x
  3. Step 3: Cross multiply
    676,645.55x = 933,770.83 × 370,733.53
  4. Step 4: Simplify right side
    676,645.55x = 346,180,156,257.31
  5. Step 5: Solve for x
    x = 346,180,156,257.31/676,645.55
  6. Step 6: Final answer
    x = 511,612.26

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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.