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Finding the Fourth Proportional to 277,339.04, 415,192.08 and 171,818.72

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Solution

The fourth proportional to 277,339.04, 415,192.08 and 171,818.72 is: 257,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,339.04 : 415,192.08 = 171,818.72 : x
  2. Step 2: Convert to fraction form
    277,339.04/415,192.08 = 171,818.72/x
  3. Step 3: Cross multiply
    277,339.04x = 415,192.08 × 171,818.72
  4. Step 4: Simplify right side
    277,339.04x = 71,337,771,739.74
  5. Step 5: Solve for x
    x = 71,337,771,739.74/277,339.04
  6. Step 6: Final answer
    x = 257,222.25

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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.