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Finding the Fourth Proportional to 304,676.20, 456,712.98 and 144,470.32

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Solution

The fourth proportional to 304,676.20, 456,712.98 and 144,470.32 is: 216,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,676.20 : 456,712.98 = 144,470.32 : x
  2. Step 2: Convert to fraction form
    304,676.20/456,712.98 = 144,470.32/x
  3. Step 3: Cross multiply
    304,676.20x = 456,712.98 × 144,470.32
  4. Step 4: Simplify right side
    304,676.20x = 65,981,470,368.75
  5. Step 5: Solve for x
    x = 65,981,470,368.75/304,676.20
  6. Step 6: Final answer
    x = 216,562.60

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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.