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Finding the Fourth Proportional to 344,666.54, 475,445.70 and 206,809.81

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Solution

The fourth proportional to 344,666.54, 475,445.70 and 206,809.81 is: 285,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,666.54 : 475,445.70 = 206,809.81 : x
  2. Step 2: Convert to fraction form
    344,666.54/475,445.70 = 206,809.81/x
  3. Step 3: Cross multiply
    344,666.54x = 475,445.70 × 206,809.81
  4. Step 4: Simplify right side
    344,666.54x = 98,326,833,693.70
  5. Step 5: Solve for x
    x = 98,326,833,693.70/344,666.54
  6. Step 6: Final answer
    x = 285,281.05

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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.