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Finding the Fourth Proportional to 422,938.96, 583,686.66 and 241,647.01

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Solution

The fourth proportional to 422,938.96, 583,686.66 and 241,647.01 is: 333,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,938.96 : 583,686.66 = 241,647.01 : x
  2. Step 2: Convert to fraction form
    422,938.96/583,686.66 = 241,647.01/x
  3. Step 3: Cross multiply
    422,938.96x = 583,686.66 × 241,647.01
  4. Step 4: Simplify right side
    422,938.96x = 141,046,136,165.89
  5. Step 5: Solve for x
    x = 141,046,136,165.89/422,938.96
  6. Step 6: Final answer
    x = 333,490.53

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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.