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Finding the Fourth Proportional to 578,484.72, 799,832.88 and 506,659.32

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Solution

The fourth proportional to 578,484.72, 799,832.88 and 506,659.32 is: 700,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,484.72 : 799,832.88 = 506,659.32 : x
  2. Step 2: Convert to fraction form
    578,484.72/799,832.88 = 506,659.32/x
  3. Step 3: Cross multiply
    578,484.72x = 799,832.88 × 506,659.32
  4. Step 4: Simplify right side
    578,484.72x = 405,242,783,094.44
  5. Step 5: Solve for x
    x = 405,242,783,094.44/578,484.72
  6. Step 6: Final answer
    x = 700,524.61

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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.