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Finding the Fourth Proportional to 371,391.34, 556,178.46 and 335,448.54

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Solution

The fourth proportional to 371,391.34, 556,178.46 and 335,448.54 is: 502,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,391.34 : 556,178.46 = 335,448.54 : x
  2. Step 2: Convert to fraction form
    371,391.34/556,178.46 = 335,448.54/x
  3. Step 3: Cross multiply
    371,391.34x = 556,178.46 × 335,448.54
  4. Step 4: Simplify right side
    371,391.34x = 186,569,252,386.45
  5. Step 5: Solve for x
    x = 186,569,252,386.45/371,391.34
  6. Step 6: Final answer
    x = 502,352.19

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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.