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Finding the Fourth Proportional to 304,709.36, 457,359.60 and 147,048.80

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Solution

The fourth proportional to 304,709.36, 457,359.60 and 147,048.80 is: 220,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,709.36 : 457,359.60 = 147,048.80 : x
  2. Step 2: Convert to fraction form
    304,709.36/457,359.60 = 147,048.80/x
  3. Step 3: Cross multiply
    304,709.36x = 457,359.60 × 147,048.80
  4. Step 4: Simplify right side
    304,709.36x = 67,254,180,348.48
  5. Step 5: Solve for x
    x = 67,254,180,348.48/304,709.36
  6. Step 6: Final answer
    x = 220,715.83

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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.