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Finding the Fourth Proportional to 737,709.88, 1,018,091.51 and 411,044.07

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Solution

The fourth proportional to 737,709.88, 1,018,091.51 and 411,044.07 is: 567,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,709.88 : 1,018,091.51 = 411,044.07 : x
  2. Step 2: Convert to fraction form
    737,709.88/1,018,091.51 = 411,044.07/x
  3. Step 3: Cross multiply
    737,709.88x = 1,018,091.51 × 411,044.07
  4. Step 4: Simplify right side
    737,709.88x = 418,480,478,930.46
  5. Step 5: Solve for x
    x = 418,480,478,930.46/737,709.88
  6. Step 6: Final answer
    x = 567,269.72

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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.