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Finding the Fourth Proportional to 356,659.23, 492,346.82 and 249,649.32

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Solution

The fourth proportional to 356,659.23, 492,346.82 and 249,649.32 is: 344,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,659.23 : 492,346.82 = 249,649.32 : x
  2. Step 2: Convert to fraction form
    356,659.23/492,346.82 = 249,649.32/x
  3. Step 3: Cross multiply
    356,659.23x = 492,346.82 × 249,649.32
  4. Step 4: Simplify right side
    356,659.23x = 122,914,051,287.59
  5. Step 5: Solve for x
    x = 122,914,051,287.59/356,659.23
  6. Step 6: Final answer
    x = 344,626.02

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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.