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Finding the Fourth Proportional to 417,045.76, 575,507.73 and 226,055.05

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Solution

The fourth proportional to 417,045.76, 575,507.73 and 226,055.05 is: 311,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,045.76 : 575,507.73 = 226,055.05 : x
  2. Step 2: Convert to fraction form
    417,045.76/575,507.73 = 226,055.05/x
  3. Step 3: Cross multiply
    417,045.76x = 575,507.73 × 226,055.05
  4. Step 4: Simplify right side
    417,045.76x = 130,096,428,680.54
  5. Step 5: Solve for x
    x = 130,096,428,680.54/417,045.76
  6. Step 6: Final answer
    x = 311,947.61

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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.