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Finding the Fourth Proportional to 301,863.25, 452,810.38 and 77,225.63

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Solution

The fourth proportional to 301,863.25, 452,810.38 and 77,225.63 is: 115,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,863.25 : 452,810.38 = 77,225.63 : x
  2. Step 2: Convert to fraction form
    301,863.25/452,810.38 = 77,225.63/x
  3. Step 3: Cross multiply
    301,863.25x = 452,810.38 × 77,225.63
  4. Step 4: Simplify right side
    301,863.25x = 34,968,564,601.99
  5. Step 5: Solve for x
    x = 34,968,564,601.99/301,863.25
  6. Step 6: Final answer
    x = 115,842.41

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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.