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Finding the Fourth Proportional to 536,775.82, 740,752.17 and 307,336.63

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Solution

The fourth proportional to 536,775.82, 740,752.17 and 307,336.63 is: 424,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,775.82 : 740,752.17 = 307,336.63 : x
  2. Step 2: Convert to fraction form
    536,775.82/740,752.17 = 307,336.63/x
  3. Step 3: Cross multiply
    536,775.82x = 740,752.17 × 307,336.63
  4. Step 4: Simplify right side
    536,775.82x = 227,660,271,932.94
  5. Step 5: Solve for x
    x = 227,660,271,932.94/536,775.82
  6. Step 6: Final answer
    x = 424,125.42

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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.