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Finding the Fourth Proportional to 475,083.73, 655,617.73 and 260,223.13

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Solution

The fourth proportional to 475,083.73, 655,617.73 and 260,223.13 is: 359,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,083.73 : 655,617.73 = 260,223.13 : x
  2. Step 2: Convert to fraction form
    475,083.73/655,617.73 = 260,223.13/x
  3. Step 3: Cross multiply
    475,083.73x = 655,617.73 × 260,223.13
  4. Step 4: Simplify right side
    475,083.73x = 170,606,894,506.01
  5. Step 5: Solve for x
    x = 170,606,894,506.01/475,083.73
  6. Step 6: Final answer
    x = 359,109.11

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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.