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Finding the Fourth Proportional to 294,381.60, 441,356.40 and 116,800.80

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Solution

The fourth proportional to 294,381.60, 441,356.40 and 116,800.80 is: 175,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,381.60 : 441,356.40 = 116,800.80 : x
  2. Step 2: Convert to fraction form
    294,381.60/441,356.40 = 116,800.80/x
  3. Step 3: Cross multiply
    294,381.60x = 441,356.40 × 116,800.80
  4. Step 4: Simplify right side
    294,381.60x = 51,550,780,605.12
  5. Step 5: Solve for x
    x = 51,550,780,605.12/294,381.60
  6. Step 6: Final answer
    x = 175,115.50

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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.