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Finding the Fourth Proportional to 673,378.91, 929,282.62 and 367,475.01

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Solution

The fourth proportional to 673,378.91, 929,282.62 and 367,475.01 is: 507,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,378.91 : 929,282.62 = 367,475.01 : x
  2. Step 2: Convert to fraction form
    673,378.91/929,282.62 = 367,475.01/x
  3. Step 3: Cross multiply
    673,378.91x = 929,282.62 × 367,475.01
  4. Step 4: Simplify right side
    673,378.91x = 341,488,133,593.54
  5. Step 5: Solve for x
    x = 341,488,133,593.54/673,378.91
  6. Step 6: Final answer
    x = 507,126.27

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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.