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Finding the Fourth Proportional to 351,299.37, 484,802.54 and 213,431.37

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Solution

The fourth proportional to 351,299.37, 484,802.54 and 213,431.37 is: 294,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,299.37 : 484,802.54 = 213,431.37 : x
  2. Step 2: Convert to fraction form
    351,299.37/484,802.54 = 213,431.37/x
  3. Step 3: Cross multiply
    351,299.37x = 484,802.54 × 213,431.37
  4. Step 4: Simplify right side
    351,299.37x = 103,472,069,224.52
  5. Step 5: Solve for x
    x = 103,472,069,224.52/351,299.37
  6. Step 6: Final answer
    x = 294,541.00

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1.5x scale

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.