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Finding the Fourth Proportional to 680,855, 1,021,749.06 and 237,623

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Solution

The fourth proportional to 680,855, 1,021,749.06 and 237,623 is: 356,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,855 : 1,021,749.06 = 237,623 : x
  2. Step 2: Convert to fraction form
    680,855/1,021,749.06 = 237,623/x
  3. Step 3: Cross multiply
    680,855x = 1,021,749.06 × 237,623
  4. Step 4: Simplify right side
    680,855x = 242,791,076,884.38
  5. Step 5: Solve for x
    x = 242,791,076,884.38/680,855
  6. Step 6: Final answer
    x = 356,597.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.