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Finding the Fourth Proportional to 261,234.76, 360,543.36 and 159,319.36

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Solution

The fourth proportional to 261,234.76, 360,543.36 and 159,319.36 is: 219,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,234.76 : 360,543.36 = 159,319.36 : x
  2. Step 2: Convert to fraction form
    261,234.76/360,543.36 = 159,319.36/x
  3. Step 3: Cross multiply
    261,234.76x = 360,543.36 × 159,319.36
  4. Step 4: Simplify right side
    261,234.76x = 57,441,537,367.45
  5. Step 5: Solve for x
    x = 57,441,537,367.45/261,234.76
  6. Step 6: Final answer
    x = 219,884.74

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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.