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Finding the Fourth Proportional to 304,317.60, 456,476.40 and 266,919.90

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Solution

The fourth proportional to 304,317.60, 456,476.40 and 266,919.90 is: 400,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,317.60 : 456,476.40 = 266,919.90 : x
  2. Step 2: Convert to fraction form
    304,317.60/456,476.40 = 266,919.90/x
  3. Step 3: Cross multiply
    304,317.60x = 456,476.40 × 266,919.90
  4. Step 4: Simplify right side
    304,317.60x = 121,842,635,040.36
  5. Step 5: Solve for x
    x = 121,842,635,040.36/304,317.60
  6. Step 6: Final answer
    x = 400,379.85

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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.