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Finding the Fourth Proportional to 399,054.42, 598,817.97 and 373,806.87

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Solution

The fourth proportional to 399,054.42, 598,817.97 and 373,806.87 is: 560,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,054.42 : 598,817.97 = 373,806.87 : x
  2. Step 2: Convert to fraction form
    399,054.42/598,817.97 = 373,806.87/x
  3. Step 3: Cross multiply
    399,054.42x = 598,817.97 × 373,806.87
  4. Step 4: Simplify right side
    399,054.42x = 223,842,271,065.45
  5. Step 5: Solve for x
    x = 223,842,271,065.45/399,054.42
  6. Step 6: Final answer
    x = 560,931.69

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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.