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Finding the Fourth Proportional to 296,779.28, 409,575.52 and 167,672.98

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Solution

The fourth proportional to 296,779.28, 409,575.52 and 167,672.98 is: 231,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779.28 : 409,575.52 = 167,672.98 : x
  2. Step 2: Convert to fraction form
    296,779.28/409,575.52 = 167,672.98/x
  3. Step 3: Cross multiply
    296,779.28x = 409,575.52 × 167,672.98
  4. Step 4: Simplify right side
    296,779.28x = 68,674,747,973.45
  5. Step 5: Solve for x
    x = 68,674,747,973.45/296,779.28
  6. Step 6: Final answer
    x = 231,400.08

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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.