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Finding the Fourth Proportional to 254,415.54, 351,058.68 and 152,418.18

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Solution

The fourth proportional to 254,415.54, 351,058.68 and 152,418.18 is: 210,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,415.54 : 351,058.68 = 152,418.18 : x
  2. Step 2: Convert to fraction form
    254,415.54/351,058.68 = 152,418.18/x
  3. Step 3: Cross multiply
    254,415.54x = 351,058.68 × 152,418.18
  4. Step 4: Simplify right side
    254,415.54x = 53,507,725,078.80
  5. Step 5: Solve for x
    x = 53,507,725,078.80/254,415.54
  6. Step 6: Final answer
    x = 210,316.26

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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.