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Finding the Fourth Proportional to 538,400.01, 806,838.06 and 298,619.46

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Solution

The fourth proportional to 538,400.01, 806,838.06 and 298,619.46 is: 447,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,400.01 : 806,838.06 = 298,619.46 : x
  2. Step 2: Convert to fraction form
    538,400.01/806,838.06 = 298,619.46/x
  3. Step 3: Cross multiply
    538,400.01x = 806,838.06 × 298,619.46
  4. Step 4: Simplify right side
    538,400.01x = 240,937,546,904.47
  5. Step 5: Solve for x
    x = 240,937,546,904.47/538,400.01
  6. Step 6: Final answer
    x = 447,506.58

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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.