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Finding the Fourth Proportional to 675,665.48, 932,418.30 and 369,741.92

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Solution

The fourth proportional to 675,665.48, 932,418.30 and 369,741.92 is: 510,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,665.48 : 932,418.30 = 369,741.92 : x
  2. Step 2: Convert to fraction form
    675,665.48/932,418.30 = 369,741.92/x
  3. Step 3: Cross multiply
    675,665.48x = 932,418.30 × 369,741.92
  4. Step 4: Simplify right side
    675,665.48x = 344,754,132,485.14
  5. Step 5: Solve for x
    x = 344,754,132,485.14/675,665.48
  6. Step 6: Final answer
    x = 510,243.82

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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.