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Finding the Fourth Proportional to 556,448.40, 834,696.90 and 182,471.40

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Solution

The fourth proportional to 556,448.40, 834,696.90 and 182,471.40 is: 273,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,448.40 : 834,696.90 = 182,471.40 : x
  2. Step 2: Convert to fraction form
    556,448.40/834,696.90 = 182,471.40/x
  3. Step 3: Cross multiply
    556,448.40x = 834,696.90 × 182,471.40
  4. Step 4: Simplify right side
    556,448.40x = 152,308,311,918.66
  5. Step 5: Solve for x
    x = 152,308,311,918.66/556,448.40
  6. Step 6: Final answer
    x = 273,715.07

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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.