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Finding the Fourth Proportional to 294,906.60, 442,359.90 and 282,004.20

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Solution

The fourth proportional to 294,906.60, 442,359.90 and 282,004.20 is: 423,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,906.60 : 442,359.90 = 282,004.20 : x
  2. Step 2: Convert to fraction form
    294,906.60/442,359.90 = 282,004.20/x
  3. Step 3: Cross multiply
    294,906.60x = 442,359.90 × 282,004.20
  4. Step 4: Simplify right side
    294,906.60x = 124,747,349,711.58
  5. Step 5: Solve for x
    x = 124,747,349,711.58/294,906.60
  6. Step 6: Final answer
    x = 423,006.30

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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.