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Finding the Fourth Proportional to 363,005.70, 544,071.15 and 185,421.30

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Solution

The fourth proportional to 363,005.70, 544,071.15 and 185,421.30 is: 277,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,005.70 : 544,071.15 = 185,421.30 : x
  2. Step 2: Convert to fraction form
    363,005.70/544,071.15 = 185,421.30/x
  3. Step 3: Cross multiply
    363,005.70x = 544,071.15 × 185,421.30
  4. Step 4: Simplify right side
    363,005.70x = 100,882,379,925.50
  5. Step 5: Solve for x
    x = 100,882,379,925.50/363,005.70
  6. Step 6: Final answer
    x = 277,908.53

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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.