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Finding the Fourth Proportional to 242,778.76, 364,221.60 and 74,300.38

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Solution

The fourth proportional to 242,778.76, 364,221.60 and 74,300.38 is: 111,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,778.76 : 364,221.60 = 74,300.38 : x
  2. Step 2: Convert to fraction form
    242,778.76/364,221.60 = 74,300.38/x
  3. Step 3: Cross multiply
    242,778.76x = 364,221.60 × 74,300.38
  4. Step 4: Simplify right side
    242,778.76x = 27,061,803,284.21
  5. Step 5: Solve for x
    x = 27,061,803,284.21/242,778.76
  6. Step 6: Final answer
    x = 111,466.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.