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Finding the Fourth Proportional to 573,699.83, 791,706.56 and 319,051.01

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Solution

The fourth proportional to 573,699.83, 791,706.56 and 319,051.01 is: 440,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,699.83 : 791,706.56 = 319,051.01 : x
  2. Step 2: Convert to fraction form
    573,699.83/791,706.56 = 319,051.01/x
  3. Step 3: Cross multiply
    573,699.83x = 791,706.56 × 319,051.01
  4. Step 4: Simplify right side
    573,699.83x = 252,594,777,975.64
  5. Step 5: Solve for x
    x = 252,594,777,975.64/573,699.83
  6. Step 6: Final answer
    x = 440,290.84

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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.