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Finding the Fourth Proportional to 676,550.76, 933,640.46 and 370,638.27

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Solution

The fourth proportional to 676,550.76, 933,640.46 and 370,638.27 is: 511,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,550.76 : 933,640.46 = 370,638.27 : x
  2. Step 2: Convert to fraction form
    676,550.76/933,640.46 = 370,638.27/x
  3. Step 3: Cross multiply
    676,550.76x = 933,640.46 × 370,638.27
  4. Step 4: Simplify right side
    676,550.76x = 346,042,884,896.40
  5. Step 5: Solve for x
    x = 346,042,884,896.40/676,550.76
  6. Step 6: Final answer
    x = 511,481.04

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Double scale
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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.