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Finding the Fourth Proportional to 676,645.80, 933,771.17 and 370,733.79

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Solution

The fourth proportional to 676,645.80, 933,771.17 and 370,733.79 is: 511,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,645.80 : 933,771.17 = 370,733.79 : x
  2. Step 2: Convert to fraction form
    676,645.80/933,771.17 = 370,733.79/x
  3. Step 3: Cross multiply
    676,645.80x = 933,771.17 × 370,733.79
  4. Step 4: Simplify right side
    676,645.80x = 346,180,520,177.98
  5. Step 5: Solve for x
    x = 346,180,520,177.98/676,645.80
  6. Step 6: Final answer
    x = 511,612.61

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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.