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Finding the Fourth Proportional to 436,133.48, 601,775.98 and 254,810.38

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Solution

The fourth proportional to 436,133.48, 601,775.98 and 254,810.38 is: 351,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,133.48 : 601,775.98 = 254,810.38 : x
  2. Step 2: Convert to fraction form
    436,133.48/601,775.98 = 254,810.38/x
  3. Step 3: Cross multiply
    436,133.48x = 601,775.98 × 254,810.38
  4. Step 4: Simplify right side
    436,133.48x = 153,338,766,138.67
  5. Step 5: Solve for x
    x = 153,338,766,138.67/436,133.48
  6. Step 6: Final answer
    x = 351,586.78

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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.