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Finding the Fourth Proportional to 508,703.23, 701,984.68 and 301,980.46

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Solution

The fourth proportional to 508,703.23, 701,984.68 and 301,980.46 is: 416,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,703.23 : 701,984.68 = 301,980.46 : x
  2. Step 2: Convert to fraction form
    508,703.23/701,984.68 = 301,980.46/x
  3. Step 3: Cross multiply
    508,703.23x = 701,984.68 × 301,980.46
  4. Step 4: Simplify right side
    508,703.23x = 211,985,656,579.35
  5. Step 5: Solve for x
    x = 211,985,656,579.35/508,703.23
  6. Step 6: Final answer
    x = 416,717.73

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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.