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Finding the Fourth Proportional to 607,055.07, 837,763.10 and 349,015.73

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Solution

The fourth proportional to 607,055.07, 837,763.10 and 349,015.73 is: 481,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,055.07 : 837,763.10 = 349,015.73 : x
  2. Step 2: Convert to fraction form
    607,055.07/837,763.10 = 349,015.73/x
  3. Step 3: Cross multiply
    607,055.07x = 837,763.10 × 349,015.73
  4. Step 4: Simplify right side
    607,055.07x = 292,392,493,979.67
  5. Step 5: Solve for x
    x = 292,392,493,979.67/607,055.07
  6. Step 6: Final answer
    x = 481,657.28

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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.