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Finding the Fourth Proportional to 608,403.50, 839,575.68 and 350,271.89

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Solution

The fourth proportional to 608,403.50, 839,575.68 and 350,271.89 is: 483,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,403.50 : 839,575.68 = 350,271.89 : x
  2. Step 2: Convert to fraction form
    608,403.50/839,575.68 = 350,271.89/x
  3. Step 3: Cross multiply
    608,403.50x = 839,575.68 × 350,271.89
  4. Step 4: Simplify right side
    608,403.50x = 294,079,759,182.17
  5. Step 5: Solve for x
    x = 294,079,759,182.17/608,403.50
  6. Step 6: Final answer
    x = 483,363.03

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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.