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Finding the Fourth Proportional to 642,733.54, 963,798.14 and 237,645.87

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Solution

The fourth proportional to 642,733.54, 963,798.14 and 237,645.87 is: 356,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,733.54 : 963,798.14 = 237,645.87 : x
  2. Step 2: Convert to fraction form
    642,733.54/963,798.14 = 237,645.87/x
  3. Step 3: Cross multiply
    642,733.54x = 963,798.14 × 237,645.87
  4. Step 4: Simplify right side
    642,733.54x = 229,042,647,484.68
  5. Step 5: Solve for x
    x = 229,042,647,484.68/642,733.54
  6. Step 6: Final answer
    x = 356,357.08

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1.5x scale

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.