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Finding the Fourth Proportional to 577,981.72, 797,615.94 and 323,337.16

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Solution

The fourth proportional to 577,981.72, 797,615.94 and 323,337.16 is: 446,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,981.72 : 797,615.94 = 323,337.16 : x
  2. Step 2: Convert to fraction form
    577,981.72/797,615.94 = 323,337.16/x
  3. Step 3: Cross multiply
    577,981.72x = 797,615.94 × 323,337.16
  4. Step 4: Simplify right side
    577,981.72x = 257,898,872,810.33
  5. Step 5: Solve for x
    x = 257,898,872,810.33/577,981.72
  6. Step 6: Final answer
    x = 446,205.93

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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.