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Finding the Fourth Proportional to 429,555.28, 592,751.60 and 248,278.95

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Solution

The fourth proportional to 429,555.28, 592,751.60 and 248,278.95 is: 342,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,555.28 : 592,751.60 = 248,278.95 : x
  2. Step 2: Convert to fraction form
    429,555.28/592,751.60 = 248,278.95/x
  3. Step 3: Cross multiply
    429,555.28x = 592,751.60 × 248,278.95
  4. Step 4: Simplify right side
    429,555.28x = 147,167,744,858.82
  5. Step 5: Solve for x
    x = 147,167,744,858.82/429,555.28
  6. Step 6: Final answer
    x = 342,604.90

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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.