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Finding the Fourth Proportional to 341,021.81, 510,868.18 and 207,571.07

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Solution

The fourth proportional to 341,021.81, 510,868.18 and 207,571.07 is: 310,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,021.81 : 510,868.18 = 207,571.07 : x
  2. Step 2: Convert to fraction form
    341,021.81/510,868.18 = 207,571.07/x
  3. Step 3: Cross multiply
    341,021.81x = 510,868.18 × 207,571.07
  4. Step 4: Simplify right side
    341,021.81x = 106,041,451,159.36
  5. Step 5: Solve for x
    x = 106,041,451,159.36/341,021.81
  6. Step 6: Final answer
    x = 310,952.11

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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.