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Finding the Fourth Proportional to 458,779.80, 633,094.70 and 254,843.85

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Solution

The fourth proportional to 458,779.80, 633,094.70 and 254,843.85 is: 351,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,779.80 : 633,094.70 = 254,843.85 : x
  2. Step 2: Convert to fraction form
    458,779.80/633,094.70 = 254,843.85/x
  3. Step 3: Cross multiply
    458,779.80x = 633,094.70 × 254,843.85
  4. Step 4: Simplify right side
    458,779.80x = 161,340,289,488.38
  5. Step 5: Solve for x
    x = 161,340,289,488.38/458,779.80
  6. Step 6: Final answer
    x = 351,672.61

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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.