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Finding the Fourth Proportional to 323,897.37, 482,521.85 and 309,324.32

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Solution

The fourth proportional to 323,897.37, 482,521.85 and 309,324.32 is: 460,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,897.37 : 482,521.85 = 309,324.32 : x
  2. Step 2: Convert to fraction form
    323,897.37/482,521.85 = 309,324.32/x
  3. Step 3: Cross multiply
    323,897.37x = 482,521.85 × 309,324.32
  4. Step 4: Simplify right side
    323,897.37x = 149,255,739,177.16
  5. Step 5: Solve for x
    x = 149,255,739,177.16/323,897.37
  6. Step 6: Final answer
    x = 460,811.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.