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Finding the Fourth Proportional to 328,265.96, 453,380.67 and 220,649.13

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Solution

The fourth proportional to 328,265.96, 453,380.67 and 220,649.13 is: 304,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,265.96 : 453,380.67 = 220,649.13 : x
  2. Step 2: Convert to fraction form
    328,265.96/453,380.67 = 220,649.13/x
  3. Step 3: Cross multiply
    328,265.96x = 453,380.67 × 220,649.13
  4. Step 4: Simplify right side
    328,265.96x = 100,038,050,394.32
  5. Step 5: Solve for x
    x = 100,038,050,394.32/328,265.96
  6. Step 6: Final answer
    x = 304,746.96

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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.