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Finding the Fourth Proportional to 429,216.76, 592,314.78 and 238,231.80

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Solution

The fourth proportional to 429,216.76, 592,314.78 and 238,231.80 is: 328,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,216.76 : 592,314.78 = 238,231.80 : x
  2. Step 2: Convert to fraction form
    429,216.76/592,314.78 = 238,231.80/x
  3. Step 3: Cross multiply
    429,216.76x = 592,314.78 × 238,231.80
  4. Step 4: Simplify right side
    429,216.76x = 141,108,216,206.00
  5. Step 5: Solve for x
    x = 141,108,216,206.00/429,216.76
  6. Step 6: Final answer
    x = 328,757.47

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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.