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Finding the Fourth Proportional to 468,572.07, 702,718.82 and 198,696.22

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Solution

The fourth proportional to 468,572.07, 702,718.82 and 198,696.22 is: 297,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,572.07 : 702,718.82 = 198,696.22 : x
  2. Step 2: Convert to fraction form
    468,572.07/702,718.82 = 198,696.22/x
  3. Step 3: Cross multiply
    468,572.07x = 702,718.82 × 198,696.22
  4. Step 4: Simplify right side
    468,572.07x = 139,627,573,256.86
  5. Step 5: Solve for x
    x = 139,627,573,256.86/468,572.07
  6. Step 6: Final answer
    x = 297,985.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.