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Finding the Fourth Proportional to 362,709.30, 508,317.90 and 362,709.30

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Solution

The fourth proportional to 362,709.30, 508,317.90 and 362,709.30 is: 508,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,709.30 : 508,317.90 = 362,709.30 : x
  2. Step 2: Convert to fraction form
    362,709.30/508,317.90 = 362,709.30/x
  3. Step 3: Cross multiply
    362,709.30x = 508,317.90 × 362,709.30
  4. Step 4: Simplify right side
    362,709.30x = 184,371,629,686.47
  5. Step 5: Solve for x
    x = 184,371,629,686.47/362,709.30
  6. Step 6: Final answer
    x = 508,317.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.