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Finding the Fourth Proportional to 272,032.35, 408,048.53 and 269,407.95

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Solution

The fourth proportional to 272,032.35, 408,048.53 and 269,407.95 is: 404,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,032.35 : 408,048.53 = 269,407.95 : x
  2. Step 2: Convert to fraction form
    272,032.35/408,048.53 = 269,407.95/x
  3. Step 3: Cross multiply
    272,032.35x = 408,048.53 × 269,407.95
  4. Step 4: Simplify right side
    272,032.35x = 109,931,516,620.77
  5. Step 5: Solve for x
    x = 109,931,516,620.77/272,032.35
  6. Step 6: Final answer
    x = 404,111.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.