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Finding the Fourth Proportional to 429,466.48, 592,665.60 and 238,479.28

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Solution

The fourth proportional to 429,466.48, 592,665.60 and 238,479.28 is: 329,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,466.48 : 592,665.60 = 238,479.28 : x
  2. Step 2: Convert to fraction form
    429,466.48/592,665.60 = 238,479.28/x
  3. Step 3: Cross multiply
    429,466.48x = 592,665.60 × 238,479.28
  4. Step 4: Simplify right side
    429,466.48x = 141,338,465,568.77
  5. Step 5: Solve for x
    x = 141,338,465,568.77/429,466.48
  6. Step 6: Final answer
    x = 329,102.44

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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.