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Finding the Fourth Proportional to 295,021.76, 442,532.72 and 73,405.76

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Solution

The fourth proportional to 295,021.76, 442,532.72 and 73,405.76 is: 110,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,021.76 : 442,532.72 = 73,405.76 : x
  2. Step 2: Convert to fraction form
    295,021.76/442,532.72 = 73,405.76/x
  3. Step 3: Cross multiply
    295,021.76x = 442,532.72 × 73,405.76
  4. Step 4: Simplify right side
    295,021.76x = 32,484,450,636.47
  5. Step 5: Solve for x
    x = 32,484,450,636.47/295,021.76
  6. Step 6: Final answer
    x = 110,108.66

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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.