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Finding the Fourth Proportional to 587,408.10, 879,362.55 and 350,628.90

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Solution

The fourth proportional to 587,408.10, 879,362.55 and 350,628.90 is: 524,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,408.10 : 879,362.55 = 350,628.90 : x
  2. Step 2: Convert to fraction form
    587,408.10/879,362.55 = 350,628.90/x
  3. Step 3: Cross multiply
    587,408.10x = 879,362.55 × 350,628.90
  4. Step 4: Simplify right side
    587,408.10x = 308,329,923,607.70
  5. Step 5: Solve for x
    x = 308,329,923,607.70/587,408.10
  6. Step 6: Final answer
    x = 524,899.00

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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.