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Finding the Fourth Proportional to 571,675.80, 788,912.37 and 317,027.01

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Solution

The fourth proportional to 571,675.80, 788,912.37 and 317,027.01 is: 437,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,675.80 : 788,912.37 = 317,027.01 : x
  2. Step 2: Convert to fraction form
    571,675.80/788,912.37 = 317,027.01/x
  3. Step 3: Cross multiply
    571,675.80x = 788,912.37 × 317,027.01
  4. Step 4: Simplify right side
    571,675.80x = 250,106,529,813.11
  5. Step 5: Solve for x
    x = 250,106,529,813.11/571,675.80
  6. Step 6: Final answer
    x = 437,497.14

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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.