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Finding the Fourth Proportional to 603,782.71, 833,220.41 and 331,848.36

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Solution

The fourth proportional to 603,782.71, 833,220.41 and 331,848.36 is: 457,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,782.71 : 833,220.41 = 331,848.36 : x
  2. Step 2: Convert to fraction form
    603,782.71/833,220.41 = 331,848.36/x
  3. Step 3: Cross multiply
    603,782.71x = 833,220.41 × 331,848.36
  4. Step 4: Simplify right side
    603,782.71x = 276,502,824,917.79
  5. Step 5: Solve for x
    x = 276,502,824,917.79/603,782.71
  6. Step 6: Final answer
    x = 457,950.88

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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.