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Finding the Fourth Proportional to 429,630.50, 592,811.91 and 248,275.95

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Solution

The fourth proportional to 429,630.50, 592,811.91 and 248,275.95 is: 342,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,630.50 : 592,811.91 = 248,275.95 : x
  2. Step 2: Convert to fraction form
    429,630.50/592,811.91 = 248,275.95/x
  3. Step 3: Cross multiply
    429,630.50x = 592,811.91 × 248,275.95
  4. Step 4: Simplify right side
    429,630.50x = 147,180,940,126.57
  5. Step 5: Solve for x
    x = 147,180,940,126.57/429,630.50
  6. Step 6: Final answer
    x = 342,575.64

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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.