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Finding the Fourth Proportional to 607,627.12, 838,499.88 and 349,484.58

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Solution

The fourth proportional to 607,627.12, 838,499.88 and 349,484.58 is: 482,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,627.12 : 838,499.88 = 349,484.58 : x
  2. Step 2: Convert to fraction form
    607,627.12/838,499.88 = 349,484.58/x
  3. Step 3: Cross multiply
    607,627.12x = 838,499.88 × 349,484.58
  4. Step 4: Simplify right side
    607,627.12x = 293,042,778,391.85
  5. Step 5: Solve for x
    x = 293,042,778,391.85/607,627.12
  6. Step 6: Final answer
    x = 482,274.03

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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.