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Finding the Fourth Proportional to 294,120.40, 410,880.80 and 294,120.40

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Solution

The fourth proportional to 294,120.40, 410,880.80 and 294,120.40 is: 410,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,120.40 : 410,880.80 = 294,120.40 : x
  2. Step 2: Convert to fraction form
    294,120.40/410,880.80 = 294,120.40/x
  3. Step 3: Cross multiply
    294,120.40x = 410,880.80 × 294,120.40
  4. Step 4: Simplify right side
    294,120.40x = 120,848,425,248.32
  5. Step 5: Solve for x
    x = 120,848,425,248.32/294,120.40
  6. Step 6: Final answer
    x = 410,880.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.