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Finding the Fourth Proportional to 668,827.76, 923,008.92 and 367,032.56

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Solution

The fourth proportional to 668,827.76, 923,008.92 and 367,032.56 is: 506,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,827.76 : 923,008.92 = 367,032.56 : x
  2. Step 2: Convert to fraction form
    668,827.76/923,008.92 = 367,032.56/x
  3. Step 3: Cross multiply
    668,827.76x = 923,008.92 × 367,032.56
  4. Step 4: Simplify right side
    668,827.76x = 338,774,326,810.44
  5. Step 5: Solve for x
    x = 338,774,326,810.44/668,827.76
  6. Step 6: Final answer
    x = 506,519.54

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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.