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Finding the Fourth Proportional to 675,675.45, 932,432.09 and 369,751.95

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Solution

The fourth proportional to 675,675.45, 932,432.09 and 369,751.95 is: 510,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,675.45 : 932,432.09 = 369,751.95 : x
  2. Step 2: Convert to fraction form
    675,675.45/932,432.09 = 369,751.95/x
  3. Step 3: Cross multiply
    675,675.45x = 932,432.09 × 369,751.95
  4. Step 4: Simplify right side
    675,675.45x = 344,768,581,671.32
  5. Step 5: Solve for x
    x = 344,768,581,671.32/675,675.45
  6. Step 6: Final answer
    x = 510,257.67

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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.