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Finding the Fourth Proportional to 462,090.60, 637,677.99 and 258,144.45

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Solution

The fourth proportional to 462,090.60, 637,677.99 and 258,144.45 is: 356,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,090.60 : 637,677.99 = 258,144.45 : x
  2. Step 2: Convert to fraction form
    462,090.60/637,677.99 = 258,144.45/x
  3. Step 3: Cross multiply
    462,090.60x = 637,677.99 × 258,144.45
  4. Step 4: Simplify right side
    462,090.60x = 164,613,034,005.66
  5. Step 5: Solve for x
    x = 164,613,034,005.66/462,090.60
  6. Step 6: Final answer
    x = 356,235.41

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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.