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Finding the Fourth Proportional to 310,549.60, 465,824.40 and 88,933.60

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Solution

The fourth proportional to 310,549.60, 465,824.40 and 88,933.60 is: 133,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,549.60 : 465,824.40 = 88,933.60 : x
  2. Step 2: Convert to fraction form
    310,549.60/465,824.40 = 88,933.60/x
  3. Step 3: Cross multiply
    310,549.60x = 465,824.40 × 88,933.60
  4. Step 4: Simplify right side
    310,549.60x = 41,427,440,859.84
  5. Step 5: Solve for x
    x = 41,427,440,859.84/310,549.60
  6. Step 6: Final answer
    x = 133,400.40

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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.