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Finding the Fourth Proportional to 417,045.22, 575,521.86 and 226,058.56

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Solution

The fourth proportional to 417,045.22, 575,521.86 and 226,058.56 is: 311,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,045.22 : 575,521.86 = 226,058.56 : x
  2. Step 2: Convert to fraction form
    417,045.22/575,521.86 = 226,058.56/x
  3. Step 3: Cross multiply
    417,045.22x = 575,521.86 × 226,058.56
  4. Step 4: Simplify right side
    417,045.22x = 130,101,642,920.12
  5. Step 5: Solve for x
    x = 130,101,642,920.12/417,045.22
  6. Step 6: Final answer
    x = 311,960.52

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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.