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Finding the Fourth Proportional to 673,696.47, 929,661.66 and 367,712.22

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Solution

The fourth proportional to 673,696.47, 929,661.66 and 367,712.22 is: 507,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,696.47 : 929,661.66 = 367,712.22 : x
  2. Step 2: Convert to fraction form
    673,696.47/929,661.66 = 367,712.22/x
  3. Step 3: Cross multiply
    673,696.47x = 929,661.66 × 367,712.22
  4. Step 4: Simplify right side
    673,696.47x = 341,847,952,847.49
  5. Step 5: Solve for x
    x = 341,847,952,847.49/673,696.47
  6. Step 6: Final answer
    x = 507,421.32

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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.