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Finding the Fourth Proportional to 458,343.52, 632,509.26 and 254,396.20

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Solution

The fourth proportional to 458,343.52, 632,509.26 and 254,396.20 is: 351,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,343.52 : 632,509.26 = 254,396.20 : x
  2. Step 2: Convert to fraction form
    458,343.52/632,509.26 = 254,396.20/x
  3. Step 3: Cross multiply
    458,343.52x = 632,509.26 × 254,396.20
  4. Step 4: Simplify right side
    458,343.52x = 160,907,952,208.81
  5. Step 5: Solve for x
    x = 160,907,952,208.81/458,343.52
  6. Step 6: Final answer
    x = 351,064.09

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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.