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Finding the Fourth Proportional to 369,321.84, 509,550.84 and 225,932.40

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Solution

The fourth proportional to 369,321.84, 509,550.84 and 225,932.40 is: 311,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,321.84 : 509,550.84 = 225,932.40 : x
  2. Step 2: Convert to fraction form
    369,321.84/509,550.84 = 225,932.40/x
  3. Step 3: Cross multiply
    369,321.84x = 509,550.84 × 225,932.40
  4. Step 4: Simplify right side
    369,321.84x = 115,124,044,203.22
  5. Step 5: Solve for x
    x = 115,124,044,203.22/369,321.84
  6. Step 6: Final answer
    x = 311,717.40

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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.