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Finding the Fourth Proportional to 301,521.42, 452,294.43 and 76,887.68

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Solution

The fourth proportional to 301,521.42, 452,294.43 and 76,887.68 is: 115,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,521.42 : 452,294.43 = 76,887.68 : x
  2. Step 2: Convert to fraction form
    301,521.42/452,294.43 = 76,887.68/x
  3. Step 3: Cross multiply
    301,521.42x = 452,294.43 × 76,887.68
  4. Step 4: Simplify right side
    301,521.42x = 34,775,869,399.62
  5. Step 5: Solve for x
    x = 34,775,869,399.62/301,521.42
  6. Step 6: Final answer
    x = 115,334.66

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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.