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Finding the Fourth Proportional to 301,178.79, 452,329.79 and 265,167.95

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Solution

The fourth proportional to 301,178.79, 452,329.79 and 265,167.95 is: 398,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,178.79 : 452,329.79 = 265,167.95 : x
  2. Step 2: Convert to fraction form
    301,178.79/452,329.79 = 265,167.95/x
  3. Step 3: Cross multiply
    301,178.79x = 452,329.79 × 265,167.95
  4. Step 4: Simplify right side
    301,178.79x = 119,943,359,550.74
  5. Step 5: Solve for x
    x = 119,943,359,550.74/301,178.79
  6. Step 6: Final answer
    x = 398,246.37

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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.