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Finding the Fourth Proportional to 540,751.52, 811,001.46 and 203,826.08

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Solution

The fourth proportional to 540,751.52, 811,001.46 and 203,826.08 is: 305,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,751.52 : 811,001.46 = 203,826.08 : x
  2. Step 2: Convert to fraction form
    540,751.52/811,001.46 = 203,826.08/x
  3. Step 3: Cross multiply
    540,751.52x = 811,001.46 × 203,826.08
  4. Step 4: Simplify right side
    540,751.52x = 165,303,248,466.08
  5. Step 5: Solve for x
    x = 165,303,248,466.08/540,751.52
  6. Step 6: Final answer
    x = 305,691.69

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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.