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Finding the Fourth Proportional to 429,671.36, 592,926.36 and 238,696.40

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Solution

The fourth proportional to 429,671.36, 592,926.36 and 238,696.40 is: 329,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,671.36 : 592,926.36 = 238,696.40 : x
  2. Step 2: Convert to fraction form
    429,671.36/592,926.36 = 238,696.40/x
  3. Step 3: Cross multiply
    429,671.36x = 592,926.36 × 238,696.40
  4. Step 4: Simplify right side
    429,671.36x = 141,529,387,597.10
  5. Step 5: Solve for x
    x = 141,529,387,597.10/429,671.36
  6. Step 6: Final answer
    x = 329,389.86

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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.