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Finding the Fourth Proportional to 304,339.80, 456,509.70 and 164,371.80

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Solution

The fourth proportional to 304,339.80, 456,509.70 and 164,371.80 is: 246,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,339.80 : 456,509.70 = 164,371.80 : x
  2. Step 2: Convert to fraction form
    304,339.80/456,509.70 = 164,371.80/x
  3. Step 3: Cross multiply
    304,339.80x = 456,509.70 × 164,371.80
  4. Step 4: Simplify right side
    304,339.80x = 75,037,321,106.46
  5. Step 5: Solve for x
    x = 75,037,321,106.46/304,339.80
  6. Step 6: Final answer
    x = 246,557.70

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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.