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Finding the Fourth Proportional to 676,718.44, 933,834.54 and 370,738.60

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Solution

The fourth proportional to 676,718.44, 933,834.54 and 370,738.60 is: 511,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,718.44 : 933,834.54 = 370,738.60 : x
  2. Step 2: Convert to fraction form
    676,718.44/933,834.54 = 370,738.60/x
  3. Step 3: Cross multiply
    676,718.44x = 933,834.54 × 370,738.60
  4. Step 4: Simplify right side
    676,718.44x = 346,208,509,991.24
  5. Step 5: Solve for x
    x = 346,208,509,991.24/676,718.44
  6. Step 6: Final answer
    x = 511,599.05

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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.