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Finding the Fourth Proportional to 545,000.67, 817,624.02 and 165,955.30

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Solution

The fourth proportional to 545,000.67, 817,624.02 and 165,955.30 is: 248,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,000.67 : 817,624.02 = 165,955.30 : x
  2. Step 2: Convert to fraction form
    545,000.67/817,624.02 = 165,955.30/x
  3. Step 3: Cross multiply
    545,000.67x = 817,624.02 × 165,955.30
  4. Step 4: Simplify right side
    545,000.67x = 135,689,039,526.31
  5. Step 5: Solve for x
    x = 135,689,039,526.31/545,000.67
  6. Step 6: Final answer
    x = 248,970.41

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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.