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Finding the Fourth Proportional to 986,610.03, 1,361,523.05 and 533,901.03

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Solution

The fourth proportional to 986,610.03, 1,361,523.05 and 533,901.03 is: 736,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,610.03 : 1,361,523.05 = 533,901.03 : x
  2. Step 2: Convert to fraction form
    986,610.03/1,361,523.05 = 533,901.03/x
  3. Step 3: Cross multiply
    986,610.03x = 1,361,523.05 × 533,901.03
  4. Step 4: Simplify right side
    986,610.03x = 726,918,556,094.24
  5. Step 5: Solve for x
    x = 726,918,556,094.24/986,610.03
  6. Step 6: Final answer
    x = 736,784.07

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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.