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Finding the Fourth Proportional to 429,417.45, 592,540.31 and 238,393.94

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Solution

The fourth proportional to 429,417.45, 592,540.31 and 238,393.94 is: 328,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,417.45 : 592,540.31 = 238,393.94 : x
  2. Step 2: Convert to fraction form
    429,417.45/592,540.31 = 238,393.94/x
  3. Step 3: Cross multiply
    429,417.45x = 592,540.31 × 238,393.94
  4. Step 4: Simplify right side
    429,417.45x = 141,258,016,743.01
  5. Step 5: Solve for x
    x = 141,258,016,743.01/429,417.45
  6. Step 6: Final answer
    x = 328,952.67

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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.