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Finding the Fourth Proportional to 675,721.38, 932,483.04 and 369,791.63

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Solution

The fourth proportional to 675,721.38, 932,483.04 and 369,791.63 is: 510,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,721.38 : 932,483.04 = 369,791.63 : x
  2. Step 2: Convert to fraction form
    675,721.38/932,483.04 = 369,791.63/x
  3. Step 3: Cross multiply
    675,721.38x = 932,483.04 × 369,791.63
  4. Step 4: Simplify right side
    675,721.38x = 344,824,423,389.22
  5. Step 5: Solve for x
    x = 344,824,423,389.22/675,721.38
  6. Step 6: Final answer
    x = 510,305.63

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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.