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Finding the Fourth Proportional to 676,550.52, 933,640.12 and 370,638.02

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Solution

The fourth proportional to 676,550.52, 933,640.12 and 370,638.02 is: 511,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,550.52 : 933,640.12 = 370,638.02 : x
  2. Step 2: Convert to fraction form
    676,550.52/933,640.12 = 370,638.02/x
  3. Step 3: Cross multiply
    676,550.52x = 933,640.12 × 370,638.02
  4. Step 4: Simplify right side
    676,550.52x = 346,042,525,469.36
  5. Step 5: Solve for x
    x = 346,042,525,469.36/676,550.52
  6. Step 6: Final answer
    x = 511,480.69

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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.