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Finding the Fourth Proportional to 537,051.44, 805,575.54 and 221,499.74

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Solution

The fourth proportional to 537,051.44, 805,575.54 and 221,499.74 is: 332,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,051.44 : 805,575.54 = 221,499.74 : x
  2. Step 2: Convert to fraction form
    537,051.44/805,575.54 = 221,499.74/x
  3. Step 3: Cross multiply
    537,051.44x = 805,575.54 × 221,499.74
  4. Step 4: Simplify right side
    537,051.44x = 178,434,772,660.36
  5. Step 5: Solve for x
    x = 178,434,772,660.36/537,051.44
  6. Step 6: Final answer
    x = 332,248.94

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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.