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Finding the Fourth Proportional to 737,390.72, 1,017,618.02 and 415,112.13

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Solution

The fourth proportional to 737,390.72, 1,017,618.02 and 415,112.13 is: 572,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,390.72 : 1,017,618.02 = 415,112.13 : x
  2. Step 2: Convert to fraction form
    737,390.72/1,017,618.02 = 415,112.13/x
  3. Step 3: Cross multiply
    737,390.72x = 1,017,618.02 × 415,112.13
  4. Step 4: Simplify right side
    737,390.72x = 422,425,581,733.02
  5. Step 5: Solve for x
    x = 422,425,581,733.02/737,390.72
  6. Step 6: Final answer
    x = 572,865.34

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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.