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Finding the Fourth Proportional to 429,392.85, 592,580.64 and 238,406.25

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Solution

The fourth proportional to 429,392.85, 592,580.64 and 238,406.25 is: 329,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,392.85 : 592,580.64 = 238,406.25 : x
  2. Step 2: Convert to fraction form
    429,392.85/592,580.64 = 238,406.25/x
  3. Step 3: Cross multiply
    429,392.85x = 592,580.64 × 238,406.25
  4. Step 4: Simplify right side
    429,392.85x = 141,274,928,205
  5. Step 5: Solve for x
    x = 141,274,928,205/429,392.85
  6. Step 6: Final answer
    x = 329,010.90

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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.