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Finding the Fourth Proportional to 347,099.08, 520,461.46 and 187,260.68

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Solution

The fourth proportional to 347,099.08, 520,461.46 and 187,260.68 is: 280,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,099.08 : 520,461.46 = 187,260.68 : x
  2. Step 2: Convert to fraction form
    347,099.08/520,461.46 = 187,260.68/x
  3. Step 3: Cross multiply
    347,099.08x = 520,461.46 × 187,260.68
  4. Step 4: Simplify right side
    347,099.08x = 97,461,966,913.39
  5. Step 5: Solve for x
    x = 97,461,966,913.39/347,099.08
  6. Step 6: Final answer
    x = 280,790.05

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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.