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Finding the Fourth Proportional to 294,412.40, 441,618.60 and 72,796.40

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Solution

The fourth proportional to 294,412.40, 441,618.60 and 72,796.40 is: 109,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,412.40 : 441,618.60 = 72,796.40 : x
  2. Step 2: Convert to fraction form
    294,412.40/441,618.60 = 72,796.40/x
  3. Step 3: Cross multiply
    294,412.40x = 441,618.60 × 72,796.40
  4. Step 4: Simplify right side
    294,412.40x = 32,148,244,253.04
  5. Step 5: Solve for x
    x = 32,148,244,253.04/294,412.40
  6. Step 6: Final answer
    x = 109,194.60

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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.