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Finding the Fourth Proportional to 454,069.36, 626,615.52 and 263,193.36

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Solution

The fourth proportional to 454,069.36, 626,615.52 and 263,193.36 is: 363,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,069.36 : 626,615.52 = 263,193.36 : x
  2. Step 2: Convert to fraction form
    454,069.36/626,615.52 = 263,193.36/x
  3. Step 3: Cross multiply
    454,069.36x = 626,615.52 × 263,193.36
  4. Step 4: Simplify right side
    454,069.36x = 164,921,044,136.95
  5. Step 5: Solve for x
    x = 164,921,044,136.95/454,069.36
  6. Step 6: Final answer
    x = 363,206.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.