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Finding the Fourth Proportional to 673,397.80, 929,308.75 and 367,493.94

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Solution

The fourth proportional to 673,397.80, 929,308.75 and 367,493.94 is: 507,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,397.80 : 929,308.75 = 367,493.94 : x
  2. Step 2: Convert to fraction form
    673,397.80/929,308.75 = 367,493.94/x
  3. Step 3: Cross multiply
    673,397.80x = 929,308.75 × 367,493.94
  4. Step 4: Simplify right side
    673,397.80x = 341,515,333,095.24
  5. Step 5: Solve for x
    x = 341,515,333,095.24/673,397.80
  6. Step 6: Final answer
    x = 507,152.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.