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Finding the Fourth Proportional to 304,296.60, 456,444.90 and 126,930.90

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Solution

The fourth proportional to 304,296.60, 456,444.90 and 126,930.90 is: 190,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,296.60 : 456,444.90 = 126,930.90 : x
  2. Step 2: Convert to fraction form
    304,296.60/456,444.90 = 126,930.90/x
  3. Step 3: Cross multiply
    304,296.60x = 456,444.90 × 126,930.90
  4. Step 4: Simplify right side
    304,296.60x = 57,936,961,957.41
  5. Step 5: Solve for x
    x = 57,936,961,957.41/304,296.60
  6. Step 6: Final answer
    x = 190,396.35

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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.