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Finding the Fourth Proportional to 458,055.49, 632,118.18 and 254,110.45

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Solution

The fourth proportional to 458,055.49, 632,118.18 and 254,110.45 is: 350,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,055.49 : 632,118.18 = 254,110.45 : x
  2. Step 2: Convert to fraction form
    458,055.49/632,118.18 = 254,110.45/x
  3. Step 3: Cross multiply
    458,055.49x = 632,118.18 × 254,110.45
  4. Step 4: Simplify right side
    458,055.49x = 160,627,835,172.98
  5. Step 5: Solve for x
    x = 160,627,835,172.98/458,055.49
  6. Step 6: Final answer
    x = 350,673.31

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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.