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Finding the Fourth Proportional to 437,699.73, 656,549.64 and 338,005.35

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Solution

The fourth proportional to 437,699.73, 656,549.64 and 338,005.35 is: 507,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,699.73 : 656,549.64 = 338,005.35 : x
  2. Step 2: Convert to fraction form
    437,699.73/656,549.64 = 338,005.35/x
  3. Step 3: Cross multiply
    437,699.73x = 656,549.64 × 338,005.35
  4. Step 4: Simplify right side
    437,699.73x = 221,917,290,860.57
  5. Step 5: Solve for x
    x = 221,917,290,860.57/437,699.73
  6. Step 6: Final answer
    x = 507,008.06

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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.