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Finding the Fourth Proportional to 304,498.60, 456,747.90 and 146,645.80

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Solution

The fourth proportional to 304,498.60, 456,747.90 and 146,645.80 is: 219,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,498.60 : 456,747.90 = 146,645.80 : x
  2. Step 2: Convert to fraction form
    304,498.60/456,747.90 = 146,645.80/x
  3. Step 3: Cross multiply
    304,498.60x = 456,747.90 × 146,645.80
  4. Step 4: Simplify right side
    304,498.60x = 66,980,161,193.82
  5. Step 5: Solve for x
    x = 66,980,161,193.82/304,498.60
  6. Step 6: Final answer
    x = 219,968.70

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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.