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Finding the Fourth Proportional to 355,271.86, 532,885.92 and 118,594.72

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Solution

The fourth proportional to 355,271.86, 532,885.92 and 118,594.72 is: 177,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,271.86 : 532,885.92 = 118,594.72 : x
  2. Step 2: Convert to fraction form
    355,271.86/532,885.92 = 118,594.72/x
  3. Step 3: Cross multiply
    355,271.86x = 532,885.92 × 118,594.72
  4. Step 4: Simplify right side
    355,271.86x = 63,197,456,474.34
  5. Step 5: Solve for x
    x = 63,197,456,474.34/355,271.86
  6. Step 6: Final answer
    x = 177,884.78

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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.