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Finding the Fourth Proportional to 573,700.33, 791,707.25 and 319,051.52

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Solution

The fourth proportional to 573,700.33, 791,707.25 and 319,051.52 is: 440,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,700.33 : 791,707.25 = 319,051.52 : x
  2. Step 2: Convert to fraction form
    573,700.33/791,707.25 = 319,051.52/x
  3. Step 3: Cross multiply
    573,700.33x = 791,707.25 × 319,051.52
  4. Step 4: Simplify right side
    573,700.33x = 252,595,395,953.73
  5. Step 5: Solve for x
    x = 252,595,395,953.73/573,700.33
  6. Step 6: Final answer
    x = 440,291.53

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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.