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Finding the Fourth Proportional to 524,464.18, 723,063.75 and 342,863.90

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Solution

The fourth proportional to 524,464.18, 723,063.75 and 342,863.90 is: 472,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,464.18 : 723,063.75 = 342,863.90 : x
  2. Step 2: Convert to fraction form
    524,464.18/723,063.75 = 342,863.90/x
  3. Step 3: Cross multiply
    524,464.18x = 723,063.75 × 342,863.90
  4. Step 4: Simplify right side
    524,464.18x = 247,912,457,273.63
  5. Step 5: Solve for x
    x = 247,912,457,273.63/524,464.18
  6. Step 6: Final answer
    x = 472,696.64

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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.