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Finding the Fourth Proportional to 417,383.48, 575,985.12 and 226,394.12

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Solution

The fourth proportional to 417,383.48, 575,985.12 and 226,394.12 is: 312,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,383.48 : 575,985.12 = 226,394.12 : x
  2. Step 2: Convert to fraction form
    417,383.48/575,985.12 = 226,394.12/x
  3. Step 3: Cross multiply
    417,383.48x = 575,985.12 × 226,394.12
  4. Step 4: Simplify right side
    417,383.48x = 130,399,644,375.49
  5. Step 5: Solve for x
    x = 130,399,644,375.49/417,383.48
  6. Step 6: Final answer
    x = 312,421.67

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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.