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Finding the Fourth Proportional to 324,773.28, 447,779.28 and 248,386.08

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Solution

The fourth proportional to 324,773.28, 447,779.28 and 248,386.08 is: 342,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,773.28 : 447,779.28 = 248,386.08 : x
  2. Step 2: Convert to fraction form
    324,773.28/447,779.28 = 248,386.08/x
  3. Step 3: Cross multiply
    324,773.28x = 447,779.28 × 248,386.08
  4. Step 4: Simplify right side
    324,773.28x = 111,222,140,064.42
  5. Step 5: Solve for x
    x = 111,222,140,064.42/324,773.28
  6. Step 6: Final answer
    x = 342,460.87

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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.