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Finding the Fourth Proportional to 301,711.74, 452,571.60 and 77,074.04

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Solution

The fourth proportional to 301,711.74, 452,571.60 and 77,074.04 is: 115,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,711.74 : 452,571.60 = 77,074.04 : x
  2. Step 2: Convert to fraction form
    301,711.74/452,571.60 = 77,074.04/x
  3. Step 3: Cross multiply
    301,711.74x = 452,571.60 × 77,074.04
  4. Step 4: Simplify right side
    301,711.74x = 34,881,521,601.26
  5. Step 5: Solve for x
    x = 34,881,521,601.26/301,711.74
  6. Step 6: Final answer
    x = 115,612.08

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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.