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Finding the Fourth Proportional to 671,069.91, 926,076.48 and 369,263.91

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Solution

The fourth proportional to 671,069.91, 926,076.48 and 369,263.91 is: 509,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,069.91 : 926,076.48 = 369,263.91 : x
  2. Step 2: Convert to fraction form
    671,069.91/926,076.48 = 369,263.91/x
  3. Step 3: Cross multiply
    671,069.91x = 926,076.48 × 369,263.91
  4. Step 4: Simplify right side
    671,069.91x = 341,966,621,963.84
  5. Step 5: Solve for x
    x = 341,966,621,963.84/671,069.91
  6. Step 6: Final answer
    x = 509,584.20

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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.