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Finding the Fourth Proportional to 429,668.64, 592,921.46 and 248,363.30

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Solution

The fourth proportional to 429,668.64, 592,921.46 and 248,363.30 is: 342,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,668.64 : 592,921.46 = 248,363.30 : x
  2. Step 2: Convert to fraction form
    429,668.64/592,921.46 = 248,363.30/x
  3. Step 3: Cross multiply
    429,668.64x = 592,921.46 × 248,363.30
  4. Step 4: Simplify right side
    429,668.64x = 147,259,926,239.99
  5. Step 5: Solve for x
    x = 147,259,926,239.99/429,668.64
  6. Step 6: Final answer
    x = 342,729.05

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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.