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Finding the Fourth Proportional to 369,212.73, 509,608.37 and 240,472.01

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Solution

The fourth proportional to 369,212.73, 509,608.37 and 240,472.01 is: 331,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,212.73 : 509,608.37 = 240,472.01 : x
  2. Step 2: Convert to fraction form
    369,212.73/509,608.37 = 240,472.01/x
  3. Step 3: Cross multiply
    369,212.73x = 509,608.37 × 240,472.01
  4. Step 4: Simplify right side
    369,212.73x = 122,546,545,296.32
  5. Step 5: Solve for x
    x = 122,546,545,296.32/369,212.73
  6. Step 6: Final answer
    x = 331,913.11

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1.5x scale

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.