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Finding the Fourth Proportional to 673,881.34, 929,951.52 and 367,957.54

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Solution

The fourth proportional to 673,881.34, 929,951.52 and 367,957.54 is: 507,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,881.34 : 929,951.52 = 367,957.54 : x
  2. Step 2: Convert to fraction form
    673,881.34/929,951.52 = 367,957.54/x
  3. Step 3: Cross multiply
    673,881.34x = 929,951.52 × 367,957.54
  4. Step 4: Simplify right side
    673,881.34x = 342,182,673,618.46
  5. Step 5: Solve for x
    x = 342,182,673,618.46/673,881.34
  6. Step 6: Final answer
    x = 507,778.82

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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.