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Finding the Fourth Proportional to 429,099.12, 592,163.28 and 238,124.88

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Solution

The fourth proportional to 429,099.12, 592,163.28 and 238,124.88 is: 328,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,099.12 : 592,163.28 = 238,124.88 : x
  2. Step 2: Convert to fraction form
    429,099.12/592,163.28 = 238,124.88/x
  3. Step 3: Cross multiply
    429,099.12x = 592,163.28 × 238,124.88
  4. Step 4: Simplify right side
    429,099.12x = 141,008,809,990.41
  5. Step 5: Solve for x
    x = 141,008,809,990.41/429,099.12
  6. Step 6: Final answer
    x = 328,615.94

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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.