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Finding the Fourth Proportional to 607,627.09, 838,499.83 and 349,484.55

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Solution

The fourth proportional to 607,627.09, 838,499.83 and 349,484.55 is: 482,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,627.09 : 838,499.83 = 349,484.55 : x
  2. Step 2: Convert to fraction form
    607,627.09/838,499.83 = 349,484.55/x
  3. Step 3: Cross multiply
    607,627.09x = 838,499.83 × 349,484.55
  4. Step 4: Simplify right side
    607,627.09x = 293,042,735,762.63
  5. Step 5: Solve for x
    x = 293,042,735,762.63/607,627.09
  6. Step 6: Final answer
    x = 482,273.98

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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.