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Finding the Fourth Proportional to 675,905.52, 932,735.52 and 369,974.40

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Solution

The fourth proportional to 675,905.52, 932,735.52 and 369,974.40 is: 510,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,905.52 : 932,735.52 = 369,974.40 : x
  2. Step 2: Convert to fraction form
    675,905.52/932,735.52 = 369,974.40/x
  3. Step 3: Cross multiply
    675,905.52x = 932,735.52 × 369,974.40
  4. Step 4: Simplify right side
    675,905.52x = 345,088,264,370.69
  5. Step 5: Solve for x
    x = 345,088,264,370.69/675,905.52
  6. Step 6: Final answer
    x = 510,556.96

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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.