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Finding the Fourth Proportional to 610,489.15, 841,504.08 and 481,218.01

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Solution

The fourth proportional to 610,489.15, 841,504.08 and 481,218.01 is: 663,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,489.15 : 841,504.08 = 481,218.01 : x
  2. Step 2: Convert to fraction form
    610,489.15/841,504.08 = 481,218.01/x
  3. Step 3: Cross multiply
    610,489.15x = 841,504.08 × 481,218.01
  4. Step 4: Simplify right side
    610,489.15x = 404,946,918,784.48
  5. Step 5: Solve for x
    x = 404,946,918,784.48/610,489.15
  6. Step 6: Final answer
    x = 663,315.50

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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.