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Finding the Fourth Proportional to 300,779.76, 415,076.06 and 179,926.14

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Solution

The fourth proportional to 300,779.76, 415,076.06 and 179,926.14 is: 248,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,779.76 : 415,076.06 = 179,926.14 : x
  2. Step 2: Convert to fraction form
    300,779.76/415,076.06 = 179,926.14/x
  3. Step 3: Cross multiply
    300,779.76x = 415,076.06 × 179,926.14
  4. Step 4: Simplify right side
    300,779.76x = 74,683,033,282.21
  5. Step 5: Solve for x
    x = 74,683,033,282.21/300,779.76
  6. Step 6: Final answer
    x = 248,298.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.