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Finding the Fourth Proportional to 295,137.40, 442,706.10 and 73,521.40

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Solution

The fourth proportional to 295,137.40, 442,706.10 and 73,521.40 is: 110,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,137.40 : 442,706.10 = 73,521.40 : x
  2. Step 2: Convert to fraction form
    295,137.40/442,706.10 = 73,521.40/x
  3. Step 3: Cross multiply
    295,137.40x = 442,706.10 × 73,521.40
  4. Step 4: Simplify right side
    295,137.40x = 32,548,372,260.54
  5. Step 5: Solve for x
    x = 32,548,372,260.54/295,137.40
  6. Step 6: Final answer
    x = 110,282.10

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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.