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Finding the Fourth Proportional to 569,623.86, 786,079.62 and 327,818.34

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Solution

The fourth proportional to 569,623.86, 786,079.62 and 327,818.34 is: 452,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,623.86 : 786,079.62 = 327,818.34 : x
  2. Step 2: Convert to fraction form
    569,623.86/786,079.62 = 327,818.34/x
  3. Step 3: Cross multiply
    569,623.86x = 786,079.62 × 327,818.34
  4. Step 4: Simplify right side
    569,623.86x = 257,691,316,136.23
  5. Step 5: Solve for x
    x = 257,691,316,136.23/569,623.86
  6. Step 6: Final answer
    x = 452,388.56

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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.