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Finding the Fourth Proportional to 544,526.94, 817,162.54 and 189,540.96

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Solution

The fourth proportional to 544,526.94, 817,162.54 and 189,540.96 is: 284,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,526.94 : 817,162.54 = 189,540.96 : x
  2. Step 2: Convert to fraction form
    544,526.94/817,162.54 = 189,540.96/x
  3. Step 3: Cross multiply
    544,526.94x = 817,162.54 × 189,540.96
  4. Step 4: Simplify right side
    544,526.94x = 154,885,774,432.13
  5. Step 5: Solve for x
    x = 154,885,774,432.13/544,526.94
  6. Step 6: Final answer
    x = 284,440.98

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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.