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Finding the Fourth Proportional to 614,049.04, 920,299.56 and 329,032.72

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Solution

The fourth proportional to 614,049.04, 920,299.56 and 329,032.72 is: 493,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,049.04 : 920,299.56 = 329,032.72 : x
  2. Step 2: Convert to fraction form
    614,049.04/920,299.56 = 329,032.72/x
  3. Step 3: Cross multiply
    614,049.04x = 920,299.56 × 329,032.72
  4. Step 4: Simplify right side
    614,049.04x = 302,808,667,441.60
  5. Step 5: Solve for x
    x = 302,808,667,441.60/614,049.04
  6. Step 6: Final answer
    x = 493,134.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.