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Finding the Fourth Proportional to 675,920.00, 932,768.25 and 369,996.47

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Solution

The fourth proportional to 675,920.00, 932,768.25 and 369,996.47 is: 510,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,920.00 : 932,768.25 = 369,996.47 : x
  2. Step 2: Convert to fraction form
    675,920.00/932,768.25 = 369,996.47/x
  3. Step 3: Cross multiply
    675,920.00x = 932,768.25 × 369,996.47
  4. Step 4: Simplify right side
    675,920.00x = 345,120,957,274.63
  5. Step 5: Solve for x
    x = 345,120,957,274.63/675,920.00
  6. Step 6: Final answer
    x = 510,594.38

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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.