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Finding the Fourth Proportional to 906,010.80, 1,359,010.80 and 232,090.80

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Solution

The fourth proportional to 906,010.80, 1,359,010.80 and 232,090.80 is: 348,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,010.80 : 1,359,010.80 = 232,090.80 : x
  2. Step 2: Convert to fraction form
    906,010.80/1,359,010.80 = 232,090.80/x
  3. Step 3: Cross multiply
    906,010.80x = 1,359,010.80 × 232,090.80
  4. Step 4: Simplify right side
    906,010.80x = 315,413,903,780.64
  5. Step 5: Solve for x
    x = 315,413,903,780.64/906,010.80
  6. Step 6: Final answer
    x = 348,134.82

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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.