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Finding the Fourth Proportional to 403,293.54, 604,894.23 and 107,828.58

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Solution

The fourth proportional to 403,293.54, 604,894.23 and 107,828.58 is: 161,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,293.54 : 604,894.23 = 107,828.58 : x
  2. Step 2: Convert to fraction form
    403,293.54/604,894.23 = 107,828.58/x
  3. Step 3: Cross multiply
    403,293.54x = 604,894.23 × 107,828.58
  4. Step 4: Simplify right side
    403,293.54x = 65,224,885,871.09
  5. Step 5: Solve for x
    x = 65,224,885,871.09/403,293.54
  6. Step 6: Final answer
    x = 161,730.55

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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.