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Finding the Fourth Proportional to 417,010, 575,470.56 and 226,018.48

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Solution

The fourth proportional to 417,010, 575,470.56 and 226,018.48 is: 311,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,010 : 575,470.56 = 226,018.48 : x
  2. Step 2: Convert to fraction form
    417,010/575,470.56 = 226,018.48/x
  3. Step 3: Cross multiply
    417,010x = 575,470.56 × 226,018.48
  4. Step 4: Simplify right side
    417,010x = 130,066,981,255.95
  5. Step 5: Solve for x
    x = 130,066,981,255.95/417,010
  6. Step 6: Final answer
    x = 311,903.75

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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.