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Finding the Fourth Proportional to 404,615.94, 606,953.07 and 155,297.94

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Solution

The fourth proportional to 404,615.94, 606,953.07 and 155,297.94 is: 232,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,615.94 : 606,953.07 = 155,297.94 : x
  2. Step 2: Convert to fraction form
    404,615.94/606,953.07 = 155,297.94/x
  3. Step 3: Cross multiply
    404,615.94x = 606,953.07 × 155,297.94
  4. Step 4: Simplify right side
    404,615.94x = 94,258,559,347.93
  5. Step 5: Solve for x
    x = 94,258,559,347.93/404,615.94
  6. Step 6: Final answer
    x = 232,958.10

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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.