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Finding the Fourth Proportional to 529,573.65, 794,353.57 and 130,217.88

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Solution

The fourth proportional to 529,573.65, 794,353.57 and 130,217.88 is: 195,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,573.65 : 794,353.57 = 130,217.88 : x
  2. Step 2: Convert to fraction form
    529,573.65/794,353.57 = 130,217.88/x
  3. Step 3: Cross multiply
    529,573.65x = 794,353.57 × 130,217.88
  4. Step 4: Simplify right side
    529,573.65x = 103,439,037,855.83
  5. Step 5: Solve for x
    x = 103,439,037,855.83/529,573.65
  6. Step 6: Final answer
    x = 195,325.12

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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.