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Finding the Fourth Proportional to 737,693.07, 1,018,006.43 and 415,407.03

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Solution

The fourth proportional to 737,693.07, 1,018,006.43 and 415,407.03 is: 573,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,693.07 : 1,018,006.43 = 415,407.03 : x
  2. Step 2: Convert to fraction form
    737,693.07/1,018,006.43 = 415,407.03/x
  3. Step 3: Cross multiply
    737,693.07x = 1,018,006.43 × 415,407.03
  4. Step 4: Simplify right side
    737,693.07x = 422,887,025,530.17
  5. Step 5: Solve for x
    x = 422,887,025,530.17/737,693.07
  6. Step 6: Final answer
    x = 573,256.06

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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.