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Finding the Fourth Proportional to 541,565.61, 812,518.35 and 325,672.82

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Solution

The fourth proportional to 541,565.61, 812,518.35 and 325,672.82 is: 488,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,565.61 : 812,518.35 = 325,672.82 : x
  2. Step 2: Convert to fraction form
    541,565.61/812,518.35 = 325,672.82/x
  3. Step 3: Cross multiply
    541,565.61x = 812,518.35 × 325,672.82
  4. Step 4: Simplify right side
    541,565.61x = 264,615,140,717.88
  5. Step 5: Solve for x
    x = 264,615,140,717.88/541,565.61
  6. Step 6: Final answer
    x = 488,611.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.