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Finding the Fourth Proportional to 673,612.65, 929,607.97 and 367,707.16

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Solution

The fourth proportional to 673,612.65, 929,607.97 and 367,707.16 is: 507,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,612.65 : 929,607.97 = 367,707.16 : x
  2. Step 2: Convert to fraction form
    673,612.65/929,607.97 = 367,707.16/x
  3. Step 3: Cross multiply
    673,612.65x = 929,607.97 × 367,707.16
  4. Step 4: Simplify right side
    673,612.65x = 341,823,504,723.53
  5. Step 5: Solve for x
    x = 341,823,504,723.53/673,612.65
  6. Step 6: Final answer
    x = 507,448.17

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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.