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Finding the Fourth Proportional to 464,812.88, 641,433.80 and 260,868.56

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Solution

The fourth proportional to 464,812.88, 641,433.80 and 260,868.56 is: 359,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,812.88 : 641,433.80 = 260,868.56 : x
  2. Step 2: Convert to fraction form
    464,812.88/641,433.80 = 260,868.56/x
  3. Step 3: Cross multiply
    464,812.88x = 641,433.80 × 260,868.56
  4. Step 4: Simplify right side
    464,812.88x = 167,329,911,741.33
  5. Step 5: Solve for x
    x = 167,329,911,741.33/464,812.88
  6. Step 6: Final answer
    x = 359,994.14

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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.