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Finding the Fourth Proportional to 310,522.60, 465,783.90 and 88,906.60

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Solution

The fourth proportional to 310,522.60, 465,783.90 and 88,906.60 is: 133,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,522.60 : 465,783.90 = 88,906.60 : x
  2. Step 2: Convert to fraction form
    310,522.60/465,783.90 = 88,906.60/x
  3. Step 3: Cross multiply
    310,522.60x = 465,783.90 × 88,906.60
  4. Step 4: Simplify right side
    310,522.60x = 41,411,262,883.74
  5. Step 5: Solve for x
    x = 41,411,262,883.74/310,522.60
  6. Step 6: Final answer
    x = 133,359.90

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1.5x scale

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.