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Finding the Fourth Proportional to 458,123.70, 632,189.28 and 254,172.44

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Solution

The fourth proportional to 458,123.70, 632,189.28 and 254,172.44 is: 350,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,123.70 : 632,189.28 = 254,172.44 : x
  2. Step 2: Convert to fraction form
    458,123.70/632,189.28 = 254,172.44/x
  3. Step 3: Cross multiply
    458,123.70x = 632,189.28 × 254,172.44
  4. Step 4: Simplify right side
    458,123.70x = 160,685,091,839.44
  5. Step 5: Solve for x
    x = 160,685,091,839.44/458,123.70
  6. Step 6: Final answer
    x = 350,746.08

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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.