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Finding the Fourth Proportional to 416,361.36, 574,580.40 and 225,374.64

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Solution

The fourth proportional to 416,361.36, 574,580.40 and 225,374.64 is: 311,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,361.36 : 574,580.40 = 225,374.64 : x
  2. Step 2: Convert to fraction form
    416,361.36/574,580.40 = 225,374.64/x
  3. Step 3: Cross multiply
    416,361.36x = 574,580.40 × 225,374.64
  4. Step 4: Simplify right side
    416,361.36x = 129,495,850,801.06
  5. Step 5: Solve for x
    x = 129,495,850,801.06/416,361.36
  6. Step 6: Final answer
    x = 311,017.94

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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.