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Finding the Fourth Proportional to 416,771.17, 575,141.03 and 225,783.19

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Solution

The fourth proportional to 416,771.17, 575,141.03 and 225,783.19 is: 311,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,771.17 : 575,141.03 = 225,783.19 : x
  2. Step 2: Convert to fraction form
    416,771.17/575,141.03 = 225,783.19/x
  3. Step 3: Cross multiply
    416,771.17x = 575,141.03 × 225,783.19
  4. Step 4: Simplify right side
    416,771.17x = 129,857,173,886.52
  5. Step 5: Solve for x
    x = 129,857,173,886.52/416,771.17
  6. Step 6: Final answer
    x = 311,579.07

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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.