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Finding the Fourth Proportional to 467,538.82, 645,206.52 and 252,678.38

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Solution

The fourth proportional to 467,538.82, 645,206.52 and 252,678.38 is: 348,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,538.82 : 645,206.52 = 252,678.38 : x
  2. Step 2: Convert to fraction form
    467,538.82/645,206.52 = 252,678.38/x
  3. Step 3: Cross multiply
    467,538.82x = 645,206.52 × 252,678.38
  4. Step 4: Simplify right side
    467,538.82x = 163,029,738,239.04
  5. Step 5: Solve for x
    x = 163,029,738,239.04/467,538.82
  6. Step 6: Final answer
    x = 348,697.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.