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Finding the Fourth Proportional to 294,424.40, 441,636.60 and 211,480.40

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Solution

The fourth proportional to 294,424.40, 441,636.60 and 211,480.40 is: 317,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,424.40 : 441,636.60 = 211,480.40 : x
  2. Step 2: Convert to fraction form
    294,424.40/441,636.60 = 211,480.40/x
  3. Step 3: Cross multiply
    294,424.40x = 441,636.60 × 211,480.40
  4. Step 4: Simplify right side
    294,424.40x = 93,397,484,822.64
  5. Step 5: Solve for x
    x = 93,397,484,822.64/294,424.40
  6. Step 6: Final answer
    x = 317,220.60

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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.