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Finding the Fourth Proportional to 574,685.34, 793,009 and 320,060.22

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Solution

The fourth proportional to 574,685.34, 793,009 and 320,060.22 is: 441,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,685.34 : 793,009 = 320,060.22 : x
  2. Step 2: Convert to fraction form
    574,685.34/793,009 = 320,060.22/x
  3. Step 3: Cross multiply
    574,685.34x = 793,009 × 320,060.22
  4. Step 4: Simplify right side
    574,685.34x = 253,810,635,001.98
  5. Step 5: Solve for x
    x = 253,810,635,001.98/574,685.34
  6. Step 6: Final answer
    x = 441,651.49

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1.5x scale

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.