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Finding the Fourth Proportional to 577,980.36, 797,598.90 and 323,340.66

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Solution

The fourth proportional to 577,980.36, 797,598.90 and 323,340.66 is: 446,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,980.36 : 797,598.90 = 323,340.66 : x
  2. Step 2: Convert to fraction form
    577,980.36/797,598.90 = 323,340.66/x
  3. Step 3: Cross multiply
    577,980.36x = 797,598.90 × 323,340.66
  4. Step 4: Simplify right side
    577,980.36x = 257,896,154,741.27
  5. Step 5: Solve for x
    x = 257,896,154,741.27/577,980.36
  6. Step 6: Final answer
    x = 446,202.28

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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.