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Finding the Fourth Proportional to 649,397.88, 896,208.85 and 362,940.84

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Solution

The fourth proportional to 649,397.88, 896,208.85 and 362,940.84 is: 500,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,397.88 : 896,208.85 = 362,940.84 : x
  2. Step 2: Convert to fraction form
    649,397.88/896,208.85 = 362,940.84/x
  3. Step 3: Cross multiply
    649,397.88x = 896,208.85 × 362,940.84
  4. Step 4: Simplify right side
    649,397.88x = 325,270,792,834.43
  5. Step 5: Solve for x
    x = 325,270,792,834.43/649,397.88
  6. Step 6: Final answer
    x = 500,880.59

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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.