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Finding the Fourth Proportional to 737,689.84, 1,018,001.94 and 415,403.80

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Solution

The fourth proportional to 737,689.84, 1,018,001.94 and 415,403.80 is: 573,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,689.84 : 1,018,001.94 = 415,403.80 : x
  2. Step 2: Convert to fraction form
    737,689.84/1,018,001.94 = 415,403.80/x
  3. Step 3: Cross multiply
    737,689.84x = 1,018,001.94 × 415,403.80
  4. Step 4: Simplify right side
    737,689.84x = 422,881,874,283.37
  5. Step 5: Solve for x
    x = 422,881,874,283.37/737,689.84
  6. Step 6: Final answer
    x = 573,251.59

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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.