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Finding the Fourth Proportional to 364,358.70, 547,704.45 and 259,901.10

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Solution

The fourth proportional to 364,358.70, 547,704.45 and 259,901.10 is: 390,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,358.70 : 547,704.45 = 259,901.10 : x
  2. Step 2: Convert to fraction form
    364,358.70/547,704.45 = 259,901.10/x
  3. Step 3: Cross multiply
    364,358.70x = 547,704.45 × 259,901.10
  4. Step 4: Simplify right side
    364,358.70x = 142,348,989,029.90
  5. Step 5: Solve for x
    x = 142,348,989,029.90/364,358.70
  6. Step 6: Final answer
    x = 390,683.66

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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.