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Finding the Fourth Proportional to 658,994.92, 909,403.14 and 372,504.94

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Solution

The fourth proportional to 658,994.92, 909,403.14 and 372,504.94 is: 514,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,994.92 : 909,403.14 = 372,504.94 : x
  2. Step 2: Convert to fraction form
    658,994.92/909,403.14 = 372,504.94/x
  3. Step 3: Cross multiply
    658,994.92x = 909,403.14 × 372,504.94
  4. Step 4: Simplify right side
    658,994.92x = 338,757,162,101.51
  5. Step 5: Solve for x
    x = 338,757,162,101.51/658,994.92
  6. Step 6: Final answer
    x = 514,051.25

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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.