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Finding the Fourth Proportional to 536,598.40, 803,731.20 and 325,868.80

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Solution

The fourth proportional to 536,598.40, 803,731.20 and 325,868.80 is: 488,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,598.40 : 803,731.20 = 325,868.80 : x
  2. Step 2: Convert to fraction form
    536,598.40/803,731.20 = 325,868.80/x
  3. Step 3: Cross multiply
    536,598.40x = 803,731.20 × 325,868.80
  4. Step 4: Simplify right side
    536,598.40x = 261,910,921,666.56
  5. Step 5: Solve for x
    x = 261,910,921,666.56/536,598.40
  6. Step 6: Final answer
    x = 488,094.86

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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.