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Finding the Fourth Proportional to 304,019.60, 456,029.40 and 82,403.60

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Solution

The fourth proportional to 304,019.60, 456,029.40 and 82,403.60 is: 123,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,019.60 : 456,029.40 = 82,403.60 : x
  2. Step 2: Convert to fraction form
    304,019.60/456,029.40 = 82,403.60/x
  3. Step 3: Cross multiply
    304,019.60x = 456,029.40 × 82,403.60
  4. Step 4: Simplify right side
    304,019.60x = 37,578,464,265.84
  5. Step 5: Solve for x
    x = 37,578,464,265.84/304,019.60
  6. Step 6: Final answer
    x = 123,605.40

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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.