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Finding the Fourth Proportional to 544,611.72, 817,005.06 and 229,158.84

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Solution

The fourth proportional to 544,611.72, 817,005.06 and 229,158.84 is: 343,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,611.72 : 817,005.06 = 229,158.84 : x
  2. Step 2: Convert to fraction form
    544,611.72/817,005.06 = 229,158.84/x
  3. Step 3: Cross multiply
    544,611.72x = 817,005.06 × 229,158.84
  4. Step 4: Simplify right side
    544,611.72x = 187,223,931,823.73
  5. Step 5: Solve for x
    x = 187,223,931,823.73/544,611.72
  6. Step 6: Final answer
    x = 343,775.07

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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.