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Finding the Fourth Proportional to 416,464.08, 574,720.76 and 225,477.60

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Solution

The fourth proportional to 416,464.08, 574,720.76 and 225,477.60 is: 311,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,464.08 : 574,720.76 = 225,477.60 : x
  2. Step 2: Convert to fraction form
    416,464.08/574,720.76 = 225,477.60/x
  3. Step 3: Cross multiply
    416,464.08x = 574,720.76 × 225,477.60
  4. Step 4: Simplify right side
    416,464.08x = 129,586,657,634.98
  5. Step 5: Solve for x
    x = 129,586,657,634.98/416,464.08
  6. Step 6: Final answer
    x = 311,159.27

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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.