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Finding the Fourth Proportional to 607,625.11, 838,497.12 and 349,482.57

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Solution

The fourth proportional to 607,625.11, 838,497.12 and 349,482.57 is: 482,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,625.11 : 838,497.12 = 349,482.57 : x
  2. Step 2: Convert to fraction form
    607,625.11/838,497.12 = 349,482.57/x
  3. Step 3: Cross multiply
    607,625.11x = 838,497.12 × 349,482.57
  4. Step 4: Simplify right side
    607,625.11x = 293,040,128,435.20
  5. Step 5: Solve for x
    x = 293,040,128,435.20/607,625.11
  6. Step 6: Final answer
    x = 482,271.26

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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.