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Finding the Fourth Proportional to 608,940.30, 913,410.45 and 294,012.30

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Solution

The fourth proportional to 608,940.30, 913,410.45 and 294,012.30 is: 441,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,940.30 : 913,410.45 = 294,012.30 : x
  2. Step 2: Convert to fraction form
    608,940.30/913,410.45 = 294,012.30/x
  3. Step 3: Cross multiply
    608,940.30x = 913,410.45 × 294,012.30
  4. Step 4: Simplify right side
    608,940.30x = 268,553,907,248.54
  5. Step 5: Solve for x
    x = 268,553,907,248.54/608,940.30
  6. Step 6: Final answer
    x = 441,018.45

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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.