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Finding the Fourth Proportional to 301,280.70, 451,923.63 and 76,641.33

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Solution

The fourth proportional to 301,280.70, 451,923.63 and 76,641.33 is: 114,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,280.70 : 451,923.63 = 76,641.33 : x
  2. Step 2: Convert to fraction form
    301,280.70/451,923.63 = 76,641.33/x
  3. Step 3: Cross multiply
    301,280.70x = 451,923.63 × 76,641.33
  4. Step 4: Simplify right side
    301,280.70x = 34,636,028,061.63
  5. Step 5: Solve for x
    x = 34,636,028,061.63/301,280.70
  6. Step 6: Final answer
    x = 114,962.65

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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.