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Finding the Fourth Proportional to 423,033.22, 634,234.23 and 254,514.05

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Solution

The fourth proportional to 423,033.22, 634,234.23 and 254,514.05 is: 381,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,033.22 : 634,234.23 = 254,514.05 : x
  2. Step 2: Convert to fraction form
    423,033.22/634,234.23 = 254,514.05/x
  3. Step 3: Cross multiply
    423,033.22x = 634,234.23 × 254,514.05
  4. Step 4: Simplify right side
    423,033.22x = 161,421,522,525.93
  5. Step 5: Solve for x
    x = 161,421,522,525.93/423,033.22
  6. Step 6: Final answer
    x = 381,581.20

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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.