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Finding the Fourth Proportional to 302,405.70, 452,952.45 and 249,917.70

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Solution

The fourth proportional to 302,405.70, 452,952.45 and 249,917.70 is: 374,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,405.70 : 452,952.45 = 249,917.70 : x
  2. Step 2: Convert to fraction form
    302,405.70/452,952.45 = 249,917.70/x
  3. Step 3: Cross multiply
    302,405.70x = 452,952.45 × 249,917.70
  4. Step 4: Simplify right side
    302,405.70x = 113,200,834,513.37
  5. Step 5: Solve for x
    x = 113,200,834,513.37/302,405.70
  6. Step 6: Final answer
    x = 374,334.33

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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.