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Finding the Fourth Proportional to 652,697.34, 979,434.30 and 353,171.94

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Solution

The fourth proportional to 652,697.34, 979,434.30 and 353,171.94 is: 529,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,697.34 : 979,434.30 = 353,171.94 : x
  2. Step 2: Convert to fraction form
    652,697.34/979,434.30 = 353,171.94/x
  3. Step 3: Cross multiply
    652,697.34x = 979,434.30 × 353,171.94
  4. Step 4: Simplify right side
    652,697.34x = 345,908,711,833.54
  5. Step 5: Solve for x
    x = 345,908,711,833.54/652,697.34
  6. Step 6: Final answer
    x = 529,968.01

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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.