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Finding the Fourth Proportional to 341,954.40, 513,806.40 and 303,463.20

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Solution

The fourth proportional to 341,954.40, 513,806.40 and 303,463.20 is: 455,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,954.40 : 513,806.40 = 303,463.20 : x
  2. Step 2: Convert to fraction form
    341,954.40/513,806.40 = 303,463.20/x
  3. Step 3: Cross multiply
    341,954.40x = 513,806.40 × 303,463.20
  4. Step 4: Simplify right side
    341,954.40x = 155,921,334,324.48
  5. Step 5: Solve for x
    x = 155,921,334,324.48/341,954.40
  6. Step 6: Final answer
    x = 455,971.13

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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.