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Finding the Fourth Proportional to 654,957.08, 903,776.42 and 368,471.01

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Solution

The fourth proportional to 654,957.08, 903,776.42 and 368,471.01 is: 508,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,957.08 : 903,776.42 = 368,471.01 : x
  2. Step 2: Convert to fraction form
    654,957.08/903,776.42 = 368,471.01/x
  3. Step 3: Cross multiply
    654,957.08x = 903,776.42 × 368,471.01
  4. Step 4: Simplify right side
    654,957.08x = 333,015,410,291.58
  5. Step 5: Solve for x
    x = 333,015,410,291.58/654,957.08
  6. Step 6: Final answer
    x = 508,453.79

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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.