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Finding the Fourth Proportional to 364,358.60, 546,537.90 and 339,475.40

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Solution

The fourth proportional to 364,358.60, 546,537.90 and 339,475.40 is: 509,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,358.60 : 546,537.90 = 339,475.40 : x
  2. Step 2: Convert to fraction form
    364,358.60/546,537.90 = 339,475.40/x
  3. Step 3: Cross multiply
    364,358.60x = 546,537.90 × 339,475.40
  4. Step 4: Simplify right side
    364,358.60x = 185,536,172,217.66
  5. Step 5: Solve for x
    x = 185,536,172,217.66/364,358.60
  6. Step 6: Final answer
    x = 509,213.10

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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.