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Finding the Fourth Proportional to 458,834.06, 633,173.40 and 254,897.80

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Solution

The fourth proportional to 458,834.06, 633,173.40 and 254,897.80 is: 351,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,834.06 : 633,173.40 = 254,897.80 : x
  2. Step 2: Convert to fraction form
    458,834.06/633,173.40 = 254,897.80/x
  3. Step 3: Cross multiply
    458,834.06x = 633,173.40 × 254,897.80
  4. Step 4: Simplify right side
    458,834.06x = 161,394,506,678.52
  5. Step 5: Solve for x
    x = 161,394,506,678.52/458,834.06
  6. Step 6: Final answer
    x = 351,749.19

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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.