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Finding the Fourth Proportional to 404,927.63, 558,800.18 and 235,172.69

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Solution

The fourth proportional to 404,927.63, 558,800.18 and 235,172.69 is: 324,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,927.63 : 558,800.18 = 235,172.69 : x
  2. Step 2: Convert to fraction form
    404,927.63/558,800.18 = 235,172.69/x
  3. Step 3: Cross multiply
    404,927.63x = 558,800.18 × 235,172.69
  4. Step 4: Simplify right side
    404,927.63x = 131,414,537,533.22
  5. Step 5: Solve for x
    x = 131,414,537,533.22/404,927.63
  6. Step 6: Final answer
    x = 324,538.34

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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.