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Finding the Fourth Proportional to 429,556.28, 592,752.98 and 248,279.95

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Solution

The fourth proportional to 429,556.28, 592,752.98 and 248,279.95 is: 342,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,556.28 : 592,752.98 = 248,279.95 : x
  2. Step 2: Convert to fraction form
    429,556.28/592,752.98 = 248,279.95/x
  3. Step 3: Cross multiply
    429,556.28x = 592,752.98 × 248,279.95
  4. Step 4: Simplify right side
    429,556.28x = 147,168,680,236.75
  5. Step 5: Solve for x
    x = 147,168,680,236.75/429,556.28
  6. Step 6: Final answer
    x = 342,606.28

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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.