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Finding the Fourth Proportional to 676,491.67, 933,573.59 and 386,097.41

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Solution

The fourth proportional to 676,491.67, 933,573.59 and 386,097.41 is: 532,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,491.67 : 933,573.59 = 386,097.41 : x
  2. Step 2: Convert to fraction form
    676,491.67/933,573.59 = 386,097.41/x
  3. Step 3: Cross multiply
    676,491.67x = 933,573.59 × 386,097.41
  4. Step 4: Simplify right side
    676,491.67x = 360,450,345,143.40
  5. Step 5: Solve for x
    x = 360,450,345,143.40/676,491.67
  6. Step 6: Final answer
    x = 532,823.04

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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.