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Finding the Fourth Proportional to 627,323.84, 865,609.44 and 372,668.48

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Solution

The fourth proportional to 627,323.84, 865,609.44 and 372,668.48 is: 514,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,323.84 : 865,609.44 = 372,668.48 : x
  2. Step 2: Convert to fraction form
    627,323.84/865,609.44 = 372,668.48/x
  3. Step 3: Cross multiply
    627,323.84x = 865,609.44 × 372,668.48
  4. Step 4: Simplify right side
    627,323.84x = 322,585,354,278.45
  5. Step 5: Solve for x
    x = 322,585,354,278.45/627,323.84
  6. Step 6: Final answer
    x = 514,224.61

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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.