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Finding the Fourth Proportional to 675,665.24, 932,418.12 and 369,741.69

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Solution

The fourth proportional to 675,665.24, 932,418.12 and 369,741.69 is: 510,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,665.24 : 932,418.12 = 369,741.69 : x
  2. Step 2: Convert to fraction form
    675,665.24/932,418.12 = 369,741.69/x
  3. Step 3: Cross multiply
    675,665.24x = 932,418.12 × 369,741.69
  4. Step 4: Simplify right side
    675,665.24x = 344,753,852,861.95
  5. Step 5: Solve for x
    x = 344,753,852,861.95/675,665.24
  6. Step 6: Final answer
    x = 510,243.58

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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.