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Finding the Fourth Proportional to 295,276.50, 442,914.75 and 95,763.78

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Solution

The fourth proportional to 295,276.50, 442,914.75 and 95,763.78 is: 143,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,276.50 : 442,914.75 = 95,763.78 : x
  2. Step 2: Convert to fraction form
    295,276.50/442,914.75 = 95,763.78/x
  3. Step 3: Cross multiply
    295,276.50x = 442,914.75 × 95,763.78
  4. Step 4: Simplify right side
    295,276.50x = 42,415,190,677.76
  5. Step 5: Solve for x
    x = 42,415,190,677.76/295,276.50
  6. Step 6: Final answer
    x = 143,645.67

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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.