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Finding the Fourth Proportional to 458,395.54, 632,555.93 and 254,436.73

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Solution

The fourth proportional to 458,395.54, 632,555.93 and 254,436.73 is: 351,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,395.54 : 632,555.93 = 254,436.73 : x
  2. Step 2: Convert to fraction form
    458,395.54/632,555.93 = 254,436.73/x
  3. Step 3: Cross multiply
    458,395.54x = 632,555.93 × 254,436.73
  4. Step 4: Simplify right side
    458,395.54x = 160,945,461,426.01
  5. Step 5: Solve for x
    x = 160,945,461,426.01/458,395.54
  6. Step 6: Final answer
    x = 351,106.08

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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.